44401972 has 24 divisors (see below), whose sum is σ = 80718176. Its totient is φ = 21355488.

The previous prime is 44401963. The next prime is 44401991. The reversal of 44401972 is 27910444.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9598 + ... + 13450.

Almost surely, 2^44401972 is an apocalyptic number.

It is an amenable number.

44401972 is a deficient number, since it is larger than the sum of its proper divisors (36316204).

44401972 is a wasteful number, since it uses less digits than its factorization.

44401972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3967 (or 3965 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 44401972 is about 6663.4804719456. The cubic root of 44401972 is about 354.1066528316.

The spelling of 44401972 in words is "forty-four million, four hundred one thousand, nine hundred seventy-two".