47646242160 has 80 divisors (see below), whose sum is σ = 161130936960. Its totient is φ = 11550603520.

The previous prime is 47646242123. The next prime is 47646242207. The reversal of 47646242160 is 6124264674.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×47646242160² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9021270 + ... + 9026549.

It is an arithmetic number, because the mean of its divisors is an integer number (2014136712).

Almost surely, 2^47646242160 is an apocalyptic number.

47646242160 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47646242160 is an abundant number, since it is smaller than the sum of its proper divisors (113484694800).

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

47646242160 is a wasteful number, since it uses less digits than its factorization.

47646242160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18047846 (or 18047840 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 42.

The spelling of 47646242160 in words is "forty-seven billion, six hundred forty-six million, two hundred forty-two thousand, one hundred sixty".