49899382880 has 24 divisors (see below), whose sum is σ = 117887292432. Its totient is φ = 19959753088.

The previous prime is 49899382849. The next prime is 49899382963. The reversal of 49899382880 is 8828399894.

It is a self number, because there is not a number n which added to its sum of digits gives 49899382880.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155935412 + ... + 155935731.

It is an arithmetic number, because the mean of its divisors is an integer number (4911970518).

Almost surely, 2^49899382880 is an apocalyptic number.

49899382880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49899382880 is an abundant number, since it is smaller than the sum of its proper divisors (67987909552).

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

49899382880 is a wasteful number, since it uses less digits than its factorization.

49899382880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311871158 (or 311871150 counting only the distinct ones).

The product of its (nonzero) digits is 71663616, while the sum is 68.

The spelling of 49899382880 in words is "forty-nine billion, eight hundred ninety-nine million, three hundred eighty-two thousand, eight hundred eighty".