49856825920 has 56 divisors (see below), whose sum is σ = 129514445568. Its totient is φ = 18129753600.

The previous prime is 49856825903. The next prime is 49856825929. The reversal of 49856825920 is 2952865894.

It is not an unprimeable number, because it can be changed into a prime (49856825929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7078416 + ... + 7085455.

Almost surely, 2^49856825920 is an apocalyptic number.

49856825920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49856825920 is an abundant number, since it is smaller than the sum of its proper divisors (79657619648).

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

49856825920 is a wasteful number, since it uses less digits than its factorization.

49856825920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14163899 (or 14163889 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 58.

The spelling of 49856825920 in words is "forty-nine billion, eight hundred fifty-six million, eight hundred twenty-five thousand, nine hundred twenty".