49751782920 has 192 divisors, whose sum is σ = 189299859840. Its totient is φ = 11094451200.

The previous prime is 49751782919. The next prime is 49751782937. The reversal of 49751782920 is 2928715794.

49751782920 is a `hidden beast` number, since 49 + 7 + 517 + 82 + 9 + 2 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 137446 + ... + 344085.

It is an arithmetic number, because the mean of its divisors is an integer number (985936770).

Almost surely, 2^49751782920 is an apocalyptic number.

49751782920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49751782920 is an abundant number, since it is smaller than the sum of its proper divisors (139548076920).

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

49751782920 is a wasteful number, since it uses less digits than its factorization.

49751782920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481596 (or 481589 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 54.

The spelling of 49751782920 in words is "forty-nine billion, seven hundred fifty-one million, seven hundred eighty-two thousand, nine hundred twenty".