44665940 has 36 divisors (see below), whose sum is σ = 103106388. Its totient is φ = 16241280.

The previous prime is 44665939. The next prime is 44665981. The reversal of 44665940 is 4956644.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 24720784 + 19945156 = 4972^2 + 4466^2 .

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 44665894 and 44665903.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6809 + ... + 11648.

Almost surely, 2^44665940 is an apocalyptic number.

It is an amenable number.

44665940 is an abundant number, since it is smaller than the sum of its proper divisors (58440448).

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

44665940 is a wasteful number, since it uses less digits than its factorization.

44665940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18488 (or 18475 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 44665940 is about 6683.2581874412. The cubic root of 44665940 is about 354.8069836151.

The spelling of 44665940 in words is "forty-four million, six hundred sixty-five thousand, nine hundred forty".