44457312 has 48 divisors (see below), whose sum is σ = 123569712. Its totient is φ = 13946880.

The previous prime is 44457307. The next prime is 44457337. The reversal of 44457312 is 21375444.

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

It is a self number, because there is not a number n which added to its sum of digits gives 44457312.

It is a congruent number.

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, 11989 + ... + 15252.

It is an arithmetic number, because the mean of its divisors is an integer number (2574369).

Almost surely, 2^44457312 is an apocalyptic number.

It is an amenable number.

44457312 is an abundant number, since it is smaller than the sum of its proper divisors (79112400).

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

44457312 is a wasteful number, since it uses less digits than its factorization.

44457312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27271 (or 27263 counting only the distinct ones).

The product of its digits is 13440, while the sum is 30.

The square root of 44457312 is about 6667.6316634919. The cubic root of 44457312 is about 354.2537043078.

The spelling of 44457312 in words is "forty-four million, four hundred fifty-seven thousand, three hundred twelve".