44399004 has 36 divisors (see below), whose sum is σ = 112184856. Its totient is φ = 13660608.

The previous prime is 44398979. The next prime is 44399009. The reversal of 44399004 is 40099344.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44399009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8919 + ... + 12974.

It is an arithmetic number, because the mean of its divisors is an integer number (3116246).

Almost surely, 2^44399004 is an apocalyptic number.

It is an amenable number.

44399004 is an abundant number, since it is smaller than the sum of its proper divisors (67785852).

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

44399004 is a wasteful number, since it uses less digits than its factorization.

44399004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21926 (or 21911 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 44399004 is about 6663.2577617859. The cubic root of 44399004 is about 354.0987627018.

The spelling of 44399004 in words is "forty-four million, three hundred ninety-nine thousand, four".