44671680 has 84 divisors (see below), whose sum is σ = 153661872. Its totient is φ = 11911680.

The previous prime is 44671663. The next prime is 44671723. The reversal of 44671680 is 8617644.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4876 + ... + 10635.

It is an arithmetic number, because the mean of its divisors is an integer number (1829308).

Almost surely, 2^44671680 is an apocalyptic number.

44671680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44671680 is an abundant number, since it is smaller than the sum of its proper divisors (108990192).

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

44671680 is a wasteful number, since it uses less digits than its factorization.

44671680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15534 (or 15521 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 44671680 is about 6683.6876049079. The cubic root of 44671680 is about 354.8221816597.

The spelling of 44671680 in words is "forty-four million, six hundred seventy-one thousand, six hundred eighty".