49113355680 has 72 divisors (see below), whose sum is σ = 167599331172. Its totient is φ = 13096894464.

The previous prime is 49113355631. The next prime is 49113355699. The reversal of 49113355680 is 8655331194.

49113355680 is a `hidden beast` number, since 4 + 9 + 1 + 13 + 3 + 556 + 80 = 666.

49113355680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 45057703824 + 4055651856 = 212268^2 + 63684^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17051809 + ... + 17054688.

Almost surely, 2^49113355680 is an apocalyptic number.

49113355680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49113355680 is an abundant number, since it is smaller than the sum of its proper divisors (118485975492).

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

49113355680 is a wasteful number, since it uses less digits than its factorization.

49113355680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34106518 (or 34106507 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The spelling of 49113355680 in words is "forty-nine billion, one hundred thirteen million, three hundred fifty-five thousand, six hundred eighty".