62442240 has 288 divisors, whose sum is σ = 240178176. Its totient is φ = 13516800.

The previous prime is 62442239. The next prime is 62442253. The reversal of 62442240 is 4224426.

It is a hoax number, since the sum of its digits (24) 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 (24).

It is a self number, because there is not a number n which added to its sum of digits gives 62442240.

It is a congruent number.

It is an unprimeable number.

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, 618190 + ... + 618290.

It is an arithmetic number, because the mean of its divisors is an integer number (833952).

Almost surely, 2^62442240 is an apocalyptic number.

62442240 is a gapful number since it is divisible by the number (60) 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 62442240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120089088).

62442240 is an abundant number, since it is smaller than the sum of its proper divisors (177735936).

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

62442240 is a wasteful number, since it uses less digits than its factorization.

62442240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 62442240 is about 7902.0402428740. The cubic root of 62442240 is about 396.7279742665.

Adding to 62442240 its reverse (4224426), we get a palindrome (66666666).

The spelling of 62442240 in words is "sixty-two million, four hundred forty-two thousand, two hundred forty".