49664398080 has 144 divisors (see below), whose sum is σ = 173035425024. Its totient is φ = 12039843840.

The previous prime is 49664398061. The next prime is 49664398097. The reversal of 49664398080 is 8089346694.

It is a self number, because there is not a number n which added to its sum of digits gives 49664398080.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 545644 + ... + 630123.

It is an arithmetic number, because the mean of its divisors is an integer number (1201634896).

Almost surely, 2^49664398080 is an apocalyptic number.

49664398080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49664398080 is an abundant number, since it is smaller than the sum of its proper divisors (123371026944).

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

49664398080 is a wasteful number, since it uses less digits than its factorization.

49664398080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175802 (or 1175788 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 57.

It can be divided in two parts, 49664 and 398080, that added together give a palindrome (447744).

The spelling of 49664398080 in words is "forty-nine billion, six hundred sixty-four million, three hundred ninety-eight thousand, eighty".