49639976272 has 10 divisors (see below), whose sum is σ = 96177454058. Its totient is φ = 24819988128.

The previous prime is 49639976257. The next prime is 49639976357. The reversal of 49639976272 is 27267993694.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 27147175696 + 22492800576 = 164764^2 + 149976^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1551249243 + ... + 1551249274.

Almost surely, 2^49639976272 is an apocalyptic number.

It is an amenable number.

49639976272 is a deficient number, since it is larger than the sum of its proper divisors (46537477786).

49639976272 is a wasteful number, since it uses less digits than its factorization.

49639976272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3102498525 (or 3102498519 counting only the distinct ones).

The product of its digits is 61725888, while the sum is 64.

The spelling of 49639976272 in words is "forty-nine billion, six hundred thirty-nine million, nine hundred seventy-six thousand, two hundred seventy-two".