44138504 has 8 divisors (see below), whose sum is σ = 82759710. Its totient is φ = 22069248.

The previous prime is 44138489. The next prime is 44138527. The reversal of 44138504 is 40583144.

It can be written as a sum of positive squares in only one way, i.e., 40934404 + 3204100 = 6398^2 + 1790^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2758649 + ... + 2758664.

Almost surely, 2^44138504 is an apocalyptic number.

It is an amenable number.

44138504 is a deficient number, since it is larger than the sum of its proper divisors (38621206).

44138504 is a wasteful number, since it uses less digits than its factorization.

44138504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5517319 (or 5517315 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 44138504 is about 6643.6815095247. The cubic root of 44138504 is about 353.4048753516.

The spelling of 44138504 in words is "forty-four million, one hundred thirty-eight thousand, five hundred four".