49439944 has 16 divisors (see below), whose sum is σ = 98153100. Its totient is φ = 23265792.

The previous prime is 49439939. The next prime is 49439953. The reversal of 49439944 is 44993494.

It can be written as a sum of positive squares in 2 ways, for example, as 49420900 + 19044 = 7030^2 + 138^2 .

It is a junction number, because it is equal to n+sod(n) for n = 49439894 and 49439903.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181629 + ... + 181900.

Almost surely, 2^49439944 is an apocalyptic number.

It is an amenable number.

49439944 is a deficient number, since it is larger than the sum of its proper divisors (48713156).

49439944 is a wasteful number, since it uses less digits than its factorization.

49439944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363552 (or 363548 counting only the distinct ones).

The product of its digits is 559872, while the sum is 46.

The square root of 49439944 is about 7031.3543503368. The cubic root of 49439944 is about 367.0224726195.

The spelling of 49439944 in words is "forty-nine million, four hundred thirty-nine thousand, nine hundred forty-four".