44421016 has 64 divisors (see below), whose sum is σ = 91054080. Its totient is φ = 20269440.

The previous prime is 44421007. The next prime is 44421043. The reversal of 44421016 is 61012444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 431221 + ... + 431323.

It is an arithmetic number, because the mean of its divisors is an integer number (1422720).

Almost surely, 2^44421016 is an apocalyptic number.

It is an amenable number.

44421016 is an abundant number, since it is smaller than the sum of its proper divisors (46633064).

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

44421016 is a wasteful number, since it uses less digits than its factorization.

44421016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 44421016 is about 6664.9093017085. The cubic root of 44421016 is about 354.1572710279.

The spelling of 44421016 in words is "forty-four million, four hundred twenty-one thousand, sixteen".