44542491 has 16 divisors (see below), whose sum is σ = 68736000. Its totient is φ = 25129728.

The previous prime is 44542447. The next prime is 44542493. The reversal of 44542491 is 19424544.

It is not a de Polignac number, because 44542491 - 2⁶ = 44542427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44542493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11766 + ... + 15083.

It is an arithmetic number, because the mean of its divisors is an integer number (4296000).

Almost surely, 2^44542491 is an apocalyptic number.

44542491 is a deficient number, since it is larger than the sum of its proper divisors (24193509).

44542491 is a wasteful number, since it uses less digits than its factorization.

44542491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26938.

The product of its digits is 23040, while the sum is 33.

The square root of 44542491 is about 6674.0161072626. The cubic root of 44542491 is about 354.4798067863.

The spelling of 44542491 in words is "forty-four million, five hundred forty-two thousand, four hundred ninety-one".