1622436480 has 640 divisors, whose sum is σ = 7037902080. Its totient is φ = 347701248.

The previous prime is 1622436469. The next prime is 1622436481. The reversal of 1622436480 is 846342261.

1622436480 is a `hidden beast` number, since 1 + 6 + 2 + 2 + 4 + 3 + 648 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (640).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1622436481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 6168829 + ... + 6169091.

It is an arithmetic number, because the mean of its divisors is an integer number (10996722).

Almost surely, 2^1622436480 is an apocalyptic number.

1622436480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1622436480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3518951040).

1622436480 is an abundant number, since it is smaller than the sum of its proper divisors (5415465600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1622436480 is a wasteful number, since it uses less digits than its factorization.

1622436480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318 (or 297 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 1622436480 is about 40279.4796391413. The cubic root of 1622436480 is about 1175.0487935072.

The spelling of 1622436480 in words is "one billion, six hundred twenty-two million, four hundred thirty-six thousand, four hundred eighty".