47440645736 has 16 divisors (see below), whose sum is σ = 97037684640. Its totient is φ = 21563929840.

The previous prime is 47440645669. The next prime is 47440645751. The reversal of 47440645736 is 63754604474.

It is a super-2 number, since 2×47440645736² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269549036 + ... + 269549211.

It is an arithmetic number, because the mean of its divisors is an integer number (6064855290).

Almost surely, 2^47440645736 is an apocalyptic number.

It is an amenable number.

47440645736 is an abundant number, since it is smaller than the sum of its proper divisors (49597038904).

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

47440645736 is a wasteful number, since it uses less digits than its factorization.

47440645736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539098264 (or 539098260 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 50.

The spelling of 47440645736 in words is "forty-seven billion, four hundred forty million, six hundred forty-five thousand, seven hundred thirty-six".