44040864 has 48 divisors (see below), whose sum is σ = 132124608. Its totient is φ = 12582912.

The previous prime is 44040859. The next prime is 44040877. The reversal of 44040864 is 46804044.

It is a tau number, because it is divible by the number of its divisors (48).

It is a zygodrome in base 4.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32097 + ... + 33440.

It is an arithmetic number, because the mean of its divisors is an integer number (2752596).

Almost surely, 2^44040864 is an apocalyptic number.

It is an amenable number.

44040864 is an abundant number, since it is smaller than the sum of its proper divisors (88083744).

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

44040864 is a wasteful number, since it uses less digits than its factorization.

44040864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65557 (or 65549 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

The square root of 44040864 is about 6636.3291057632. The cubic root of 44040864 is about 353.1440907422.

The spelling of 44040864 in words is "forty-four million, forty thousand, eight hundred sixty-four".