47639139380 has 24 divisors (see below), whose sum is σ = 114333934848. Its totient is φ = 16333419168.

The previous prime is 47639139371. The next prime is 47639139391. The reversal of 47639139380 is 8393193674.

It is a congruent number.

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, 170139644 + ... + 170139923.

It is an arithmetic number, because the mean of its divisors is an integer number (4763913952).

Almost surely, 2^47639139380 is an apocalyptic number.

It is an amenable number.

47639139380 is an abundant number, since it is smaller than the sum of its proper divisors (66694795468).

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

47639139380 is a wasteful number, since it uses less digits than its factorization.

47639139380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340279583 (or 340279581 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 53.

The spelling of 47639139380 in words is "forty-seven billion, six hundred thirty-nine million, one hundred thirty-nine thousand, three hundred eighty".