49139344 has 20 divisors (see below), whose sum is σ = 95706796. Its totient is φ = 24440832.

The previous prime is 49139329. The next prime is 49139347. The reversal of 49139344 is 44393194.

It can be written as a sum of positive squares in 2 ways, for example, as 26214400 + 22924944 = 5120^2 + 4788^2 .

It is not an unprimeable number, because it can be changed into a prime (49139347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4869 + ... + 11044.

Almost surely, 2^49139344 is an apocalyptic number.

It is an amenable number.

49139344 is a deficient number, since it is larger than the sum of its proper divisors (46567452).

49139344 is a wasteful number, since it uses less digits than its factorization.

49139344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16114 (or 16108 counting only the distinct ones).

The product of its digits is 46656, while the sum is 37.

The square root of 49139344 is about 7009.9460768254. The cubic root of 49139344 is about 366.2771150236.

The spelling of 49139344 in words is "forty-nine million, one hundred thirty-nine thousand, three hundred forty-four".