44038642 has 4 divisors (see below), whose sum is σ = 66057966. Its totient is φ = 22019320.

The previous prime is 44038627. The next prime is 44038649. The reversal of 44038642 is 24683044.

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., 31013761 + 13024881 = 5569^2 + 3609^2 .

It is not an unprimeable number, because it can be changed into a prime (44038649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11009659 + ... + 11009662.

Almost surely, 2^44038642 is an apocalyptic number.

44038642 is a deficient number, since it is larger than the sum of its proper divisors (22019324).

44038642 is a wasteful number, since it uses less digits than its factorization.

44038642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22019323.

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 44038642 is about 6636.1616918216. The cubic root of 44038642 is about 353.1381515659.

The spelling of 44038642 in words is "forty-four million, thirty-eight thousand, six hundred forty-two".