47640745164 has 48 divisors (see below), whose sum is σ = 115125292800. Its totient is φ = 15315268416.

The previous prime is 47640745157. The next prime is 47640745171. The reversal of 47640745164 is 46154704674.

It is an interprime number because it is at equal distance from previous prime (47640745157) and next prime (47640745171).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231507 + ... + 385845.

It is an arithmetic number, because the mean of its divisors is an integer number (2398443600).

Almost surely, 2^47640745164 is an apocalyptic number.

It is an amenable number.

47640745164 is an abundant number, since it is smaller than the sum of its proper divisors (67484547636).

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

47640745164 is a wasteful number, since it uses less digits than its factorization.

47640745164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155262 (or 155260 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 48.

The spelling of 47640745164 in words is "forty-seven billion, six hundred forty million, seven hundred forty-five thousand, one hundred sixty-four".