44039402 has 12 divisors (see below), whose sum is σ = 72610818. Its totient is φ = 20017800.

The previous prime is 44039393. The next prime is 44039407. The reversal of 44039402 is 20493044.

It can be written as a sum of positive squares in only one way, i.e., 35153041 + 8886361 = 5929^2 + 2981^2 .

It is not an unprimeable number, because it can be changed into a prime (44039407) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 90749 + ... + 91232.

Almost surely, 2^44039402 is an apocalyptic number.

44039402 is a deficient number, since it is larger than the sum of its proper divisors (28571416).

44039402 is a wasteful number, since it uses less digits than its factorization.

44039402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182005 (or 181994 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 44039402 is about 6636.2189535910. The cubic root of 44039402 is about 353.1401829899.

The spelling of 44039402 in words is "forty-four million, thirty-nine thousand, four hundred two".