44421660 has 36 divisors (see below), whose sum is σ = 134746248. Its totient is φ = 11845728.

The previous prime is 44421653. The next prime is 44421691. The reversal of 44421660 is 6612444.

44421660 is a `hidden beast` number, since 444 + 216 + 6 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123214 + ... + 123573.

Almost surely, 2^44421660 is an apocalyptic number.

It is an amenable number.

44421660 is an abundant number, since it is smaller than the sum of its proper divisors (90324588).

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

44421660 is a wasteful number, since it uses less digits than its factorization.

44421660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246802 (or 246797 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 44421660 is about 6664.9576142688. The cubic root of 44421660 is about 354.1589825015.

The spelling of 44421660 in words is "forty-four million, four hundred twenty-one thousand, six hundred sixty".