44890644 has 24 divisors (see below), whose sum is σ = 106072960. Its totient is φ = 14773824.

The previous prime is 44890631. The next prime is 44890663. The reversal of 44890644 is 44609844.

44890644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22729 + ... + 24624.

Almost surely, 2^44890644 is an apocalyptic number.

It is an amenable number.

44890644 is an abundant number, since it is smaller than the sum of its proper divisors (61182316).

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

44890644 is a wasteful number, since it uses less digits than its factorization.

44890644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47439 (or 47437 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 39.

The square root of 44890644 is about 6700.0480595291. The cubic root of 44890644 is about 355.4009725739.

The spelling of 44890644 in words is "forty-four million, eight hundred ninety thousand, six hundred forty-four".