44405616 has 20 divisors (see below), whose sum is σ = 114714632. Its totient is φ = 14801856.

The previous prime is 44405611. The next prime is 44405639. The reversal of 44405616 is 61650444.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44405611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 462511 + ... + 462606.

Almost surely, 2^44405616 is an apocalyptic number.

It is an amenable number.

44405616 is an abundant number, since it is smaller than the sum of its proper divisors (70309016).

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

44405616 is a wasteful number, since it uses less digits than its factorization.

44405616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925128 (or 925122 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 44405616 is about 6663.7538970163. The cubic root of 44405616 is about 354.1163395586.

The spelling of 44405616 in words is "forty-four million, four hundred five thousand, six hundred sixteen".