64255492 has 48 divisors (see below), whose sum is σ = 136080000. Its totient is φ = 25933824.

The previous prime is 64255489. The next prime is 64255501. The reversal of 64255492 is 29455246.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142884 + ... + 143332.

It is an arithmetic number, because the mean of its divisors is an integer number (2835000).

Almost surely, 2^64255492 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 64255492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68040000).

64255492 is an abundant number, since it is smaller than the sum of its proper divisors (71824508).

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

64255492 is a wasteful number, since it uses less digits than its factorization.

64255492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748 (or 746 counting only the distinct ones).

The product of its digits is 86400, while the sum is 37.

The square root of 64255492 is about 8015.9523451677. The cubic root of 64255492 is about 400.5315682750.

The spelling of 64255492 in words is "sixty-four million, two hundred fifty-five thousand, four hundred ninety-two".