49990044 has 24 divisors (see below), whose sum is σ = 125616400. Its totient is φ = 15381504.

The previous prime is 49989991. The next prime is 49990069. The reversal of 49990044 is 44009994.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 49989984 and 49990011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160069 + ... + 160380.

Almost surely, 2^49990044 is an apocalyptic number.

It is an amenable number.

49990044 is an abundant number, since it is smaller than the sum of its proper divisors (75626356).

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

49990044 is a wasteful number, since it uses less digits than its factorization.

49990044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320469 (or 320467 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 49990044 is about 7070.3637813057. The cubic root of 49990044 is about 368.3786960958.

The spelling of 49990044 in words is "forty-nine million, nine hundred ninety thousand, forty-four".