615255264 has 360 divisors, whose sum is σ = 2119498920. Its totient is φ = 173560320.

The previous prime is 615255253. The next prime is 615255299. The reversal of 615255264 is 462552516.

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

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 59 ways as a sum of consecutive naturals, for example, 19846929 + ... + 19846959.

It is an arithmetic number, because the mean of its divisors is an integer number (5887497).

Almost surely, 2^615255264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 615255264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1059749460).

615255264 is an abundant number, since it is smaller than the sum of its proper divisors (1504243656).

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

615255264 is a wasteful number, since it uses less digits than its factorization.

615255264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116 (or 68 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 615255264 is about 24804.3396203164. The cubic root of 615255264 is about 850.5211401667.

It can be divided in two parts, 6152 and 55264, that added together give a palindrome (61416).

The spelling of 615255264 in words is "six hundred fifteen million, two hundred fifty-five thousand, two hundred sixty-four".