47921670144 has 96 divisors (see below), whose sum is σ = 141955632000. Its totient is φ = 15973871616.

The previous prime is 47921670127. The next prime is 47921670151. The reversal of 47921670144 is 44107612974.

47921670144 is a `hidden beast` number, since 479 + 2 + 167 + 0 + 14 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 47921670144.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 378024 + ... + 488615.

It is an arithmetic number, because the mean of its divisors is an integer number (1478704500).

Almost surely, 2^47921670144 is an apocalyptic number.

It is an amenable number.

47921670144 is an abundant number, since it is smaller than the sum of its proper divisors (94033961856).

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

47921670144 is an equidigital number, since it uses as much as digits as its factorization.

47921670144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866670 (or 866644 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 47921670144 in words is "forty-seven billion, nine hundred twenty-one million, six hundred seventy thousand, one hundred forty-four".