44240912457 has 32 divisors (see below), whose sum is σ = 68452608000. Its totient is φ = 24893941248.

The previous prime is 44240912449. The next prime is 44240912461. The reversal of 44240912457 is 75421904244.

It is not a de Polignac number, because 44240912457 - 2³ = 44240912449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44240912477) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 350794 + ... + 459932.

It is an arithmetic number, because the mean of its divisors is an integer number (2139144000).

Almost surely, 2^44240912457 is an apocalyptic number.

It is an amenable number.

44240912457 is a deficient number, since it is larger than the sum of its proper divisors (24211695543).

44240912457 is a wasteful number, since it uses less digits than its factorization.

44240912457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109445.

The product of its (nonzero) digits is 322560, while the sum is 42.

The spelling of 44240912457 in words is "forty-four billion, two hundred forty million, nine hundred twelve thousand, four hundred fifty-seven".