44400745 has 16 divisors (see below), whose sum is σ = 55520640. Its totient is φ = 34057600.

The previous prime is 44400737. The next prime is 44400757. The reversal of 44400745 is 54700444.

It is not a de Polignac number, because 44400745 - 2³ = 44400737 is a prime.

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, 10260 + ... + 13930.

It is an arithmetic number, because the mean of its divisors is an integer number (3470040).

Almost surely, 2^44400745 is an apocalyptic number.

It is an amenable number.

44400745 is a deficient number, since it is larger than the sum of its proper divisors (11119895).

44400745 is a wasteful number, since it uses less digits than its factorization.

44400745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3776.

The product of its (nonzero) digits is 8960, while the sum is 28.

The square root of 44400745 is about 6663.3884023070. The cubic root of 44400745 is about 354.1033910180.

The spelling of 44400745 in words is "forty-four million, four hundred thousand, seven hundred forty-five".