1490436480 has 256 divisors, whose sum is σ = 5158621440. Its totient is φ = 363847680.

The previous prime is 1490436463. The next prime is 1490436481. The reversal of 1490436480 is 846340941.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490436481) 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 31 ways as a sum of consecutive naturals, for example, 5266419 + ... + 5266701.

It is an arithmetic number, because the mean of its divisors is an integer number (20150865).

Almost surely, 2^1490436480 is an apocalyptic number.

1490436480 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 1490436480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2579310720).

1490436480 is an abundant number, since it is smaller than the sum of its proper divisors (3668184960).

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

1490436480 is a wasteful number, since it uses less digits than its factorization.

1490436480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529 (or 517 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 1490436480 is about 38606.1715273608. The cubic root of 1490436480 is about 1142.2762767250.

The spelling of 1490436480 in words is "one billion, four hundred ninety million, four hundred thirty-six thousand, four hundred eighty".