44400072 has 32 divisors (see below), whose sum is σ = 111163680. Its totient is φ = 14778240.

The previous prime is 44400049. The next prime is 44400113. The reversal of 44400072 is 27000444.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30268 + ... + 31700.

It is an arithmetic number, because the mean of its divisors is an integer number (3473865).

Almost surely, 2^44400072 is an apocalyptic number.

It is an amenable number.

44400072 is an abundant number, since it is smaller than the sum of its proper divisors (66763608).

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

44400072 is a wasteful number, since it uses less digits than its factorization.

44400072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2733 (or 2729 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 21.

The square root of 44400072 is about 6663.3379022829. The cubic root of 44400072 is about 354.1016019130.

The spelling of 44400072 in words is "forty-four million, four hundred thousand, seventy-two".