49398809880 has 64 divisors (see below), whose sum is σ = 169367351040. Its totient is φ = 11291156352.

The previous prime is 49398809879. The next prime is 49398809891. The reversal of 49398809880 is 8890889394.

It is a super-2 number, since 2×49398809880² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29403214 + ... + 29404893.

It is an arithmetic number, because the mean of its divisors is an integer number (2646364860).

Almost surely, 2^49398809880 is an apocalyptic number.

49398809880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49398809880 is an abundant number, since it is smaller than the sum of its proper divisors (119968541160).

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

49398809880 is a wasteful number, since it uses less digits than its factorization.

49398809880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58808128 (or 58808124 counting only the distinct ones).

The product of its (nonzero) digits is 35831808, while the sum is 66.

The spelling of 49398809880 in words is "forty-nine billion, three hundred ninety-eight million, eight hundred nine thousand, eight hundred eighty".