47816439144 has 16 divisors (see below), whose sum is σ = 119541097920. Its totient is φ = 15938813040.

The previous prime is 47816439103. The next prime is 47816439173. The reversal of 47816439144 is 44193461874.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 996175792 + ... + 996175839.

It is an arithmetic number, because the mean of its divisors is an integer number (7471318620).

Almost surely, 2^47816439144 is an apocalyptic number.

It is an amenable number.

47816439144 is an abundant number, since it is smaller than the sum of its proper divisors (71724658776).

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

47816439144 is a wasteful number, since it uses less digits than its factorization.

47816439144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1992351640 (or 1992351636 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 51.

The spelling of 47816439144 in words is "forty-seven billion, eight hundred sixteen million, four hundred thirty-nine thousand, one hundred forty-four".