44490374523 has 54 divisors (see below), whose sum is σ = 77564800404. Its totient is φ = 25409919024.

The previous prime is 44490374519. The next prime is 44490374527. The reversal of 44490374523 is 32547309444.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

44490374523 is a `hidden beast` number, since 4 + 4 + 4 + 90 + 37 + 4 + 523 = 666.

It is an interprime number because it is at equal distance from previous prime (44490374519) and next prime (44490374527).

It is not a de Polignac number, because 44490374523 - 2² = 44490374519 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44490374527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 23015265 + ... + 23017197.

Almost surely, 2^44490374523 is an apocalyptic number.

44490374523 is a deficient number, since it is larger than the sum of its proper divisors (33074425881).

44490374523 is an frugal number, since it uses more digits than its factorization.

44490374523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3895 (or 1943 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 45.

The spelling of 44490374523 in words is "forty-four billion, four hundred ninety million, three hundred seventy-four thousand, five hundred twenty-three".