65256044 has 36 divisors (see below), whose sum is σ = 133527744. Its totient is φ = 27822816.

The previous prime is 65256007. The next prime is 65256073. The reversal of 65256044 is 44065256.

It is a self number, because there is not a number n which added to its sum of digits gives 65256044.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42962 + ... + 44454.

It is an arithmetic number, because the mean of its divisors is an integer number (3709104).

Almost surely, 2^65256044 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 65256044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66763872).

65256044 is an abundant number, since it is smaller than the sum of its proper divisors (68271700).

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

65256044 is a wasteful number, since it uses less digits than its factorization.

65256044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1734 (or 1725 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 65256044 is about 8078.1213162467. The cubic root of 65256044 is about 402.5998240119.

The spelling of 65256044 in words is "sixty-five million, two hundred fifty-six thousand, forty-four".