44640516 has 24 divisors (see below), whose sum is σ = 108690624. Its totient is φ = 14233120.

The previous prime is 44640511. The next prime is 44640517. The reversal of 44640516 is 61504644.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (44640511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80595 + ... + 81146.

It is an arithmetic number, because the mean of its divisors is an integer number (4528776).

Almost surely, 2^44640516 is an apocalyptic number.

44640516 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

44640516 is an abundant number, since it is smaller than the sum of its proper divisors (64050108).

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

44640516 is a wasteful number, since it uses less digits than its factorization.

44640516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161771 (or 161769 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 44640516 is about 6681.3558504244. The cubic root of 44640516 is about 354.7396517375.

The spelling of 44640516 in words is "forty-four million, six hundred forty thousand, five hundred sixteen".