49399790836 has 24 divisors (see below), whose sum is σ = 94371732000. Its totient is φ = 22439440800.

The previous prime is 49399790831. The next prime is 49399790863. The reversal of 49399790836 is 63809799394.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49399790831) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 308535 + ... + 440446.

It is an arithmetic number, because the mean of its divisors is an integer number (3932155500).

Almost surely, 2^49399790836 is an apocalyptic number.

It is an amenable number.

49399790836 is a deficient number, since it is larger than the sum of its proper divisors (44971941164).

49399790836 is a wasteful number, since it uses less digits than its factorization.

49399790836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750495 (or 750493 counting only the distinct ones).

The product of its (nonzero) digits is 79361856, while the sum is 67.

The spelling of 49399790836 in words is "forty-nine billion, three hundred ninety-nine million, seven hundred ninety thousand, eight hundred thirty-six".