44539538 has 4 divisors (see below), whose sum is σ = 66809310. Its totient is φ = 22269768.

The previous prime is 44539531. The next prime is 44539549. The reversal of 44539538 is 83593544.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 44528929 + 10609 = 6673^2 + 103^2 .

It is a junction number, because it is equal to n+sod(n) for n = 44539495 and 44539504.

It is not an unprimeable number, because it can be changed into a prime (44539531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11134883 + ... + 11134886.

Almost surely, 2^44539538 is an apocalyptic number.

44539538 is a deficient number, since it is larger than the sum of its proper divisors (22269772).

44539538 is a wasteful number, since it uses less digits than its factorization.

44539538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22269771.

The product of its digits is 259200, while the sum is 41.

The square root of 44539538 is about 6673.7948724845. The cubic root of 44539538 is about 354.4719730528.

The spelling of 44539538 in words is "forty-four million, five hundred thirty-nine thousand, five hundred thirty-eight".