44542872 has 96 divisors (see below), whose sum is σ = 136543680. Its totient is φ = 13491360.

The previous prime is 44542867. The next prime is 44542891. The reversal of 44542872 is 27824544.

44542872 is a `hidden beast` number, since 44 + 542 + 8 + 72 = 666.

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 a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20343 + ... + 22425.

It is an arithmetic number, because the mean of its divisors is an integer number (1422330).

Almost surely, 2^44542872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44542872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68271840).

44542872 is an abundant number, since it is smaller than the sum of its proper divisors (92000808).

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

44542872 is a wasteful number, since it uses less digits than its factorization.

44542872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2115 (or 2099 counting only the distinct ones).

The product of its digits is 71680, while the sum is 36.

The square root of 44542872 is about 6674.0446507347. The cubic root of 44542872 is about 354.4808174798.

The spelling of 44542872 in words is "forty-four million, five hundred forty-two thousand, eight hundred seventy-two".