44149972 has 12 divisors (see below), whose sum is σ = 80621856. Its totient is φ = 21115160.

The previous prime is 44149951. The next prime is 44149993. The reversal of 44149972 is 27994144.

It is an interprime number because it is at equal distance from previous prime (44149951) and next prime (44149993).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239854 + ... + 240037.

It is an arithmetic number, because the mean of its divisors is an integer number (6718488).

Almost surely, 2^44149972 is an apocalyptic number.

It is an amenable number.

44149972 is a deficient number, since it is larger than the sum of its proper divisors (36471884).

44149972 is a wasteful number, since it uses less digits than its factorization.

44149972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479918 (or 479916 counting only the distinct ones).

The product of its digits is 72576, while the sum is 40.

The square root of 44149972 is about 6644.5445291607. The cubic root of 44149972 is about 353.4354797430.

The spelling of 44149972 in words is "forty-four million, one hundred forty-nine thousand, nine hundred seventy-two".