49418465880 has 128 divisors (see below), whose sum is σ = 172892736000. Its totient is φ = 11295639936.

The previous prime is 49418465851. The next prime is 49418465909. The reversal of 49418465880 is 8856481494.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (49418465851) and next prime (49418465909).

It is a self number, because there is not a number n which added to its sum of digits gives 49418465880.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 559162 + ... + 641481.

It is an arithmetic number, because the mean of its divisors is an integer number (1350724500).

Almost surely, 2^49418465880 is an apocalyptic number.

49418465880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49418465880 is an abundant number, since it is smaller than the sum of its proper divisors (123474270120).

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

49418465880 is a wasteful number, since it uses less digits than its factorization.

49418465880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200678 (or 1200660 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 57.

The spelling of 49418465880 in words is "forty-nine billion, four hundred eighteen million, four hundred sixty-five thousand, eight hundred eighty".