49999999320 has 96 divisors (see below), whose sum is σ = 165164004720. Its totient is φ = 13114748160.

The previous prime is 49999999297. The next prime is 49999999333. The reversal of 49999999320 is 2399999994.

49999999320 is a `hidden beast` number, since 49 + 99 + 99 + 99 + 320 = 666.

49999999320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1116474 + ... + 1160393.

Almost surely, 2^49999999320 is an apocalyptic number.

49999999320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49999999320 is an abundant number, since it is smaller than the sum of its proper divisors (115164005400).

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

49999999320 is a wasteful number, since it uses less digits than its factorization.

49999999320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2276945 (or 2276938 counting only the distinct ones).

The product of its (nonzero) digits is 114791256, while the sum is 72.

The spelling of 49999999320 in words is "forty-nine billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, three hundred twenty".