47144792388 has 12 divisors (see below), whose sum is σ = 110004515600. Its totient is φ = 15714930792.

The previous prime is 47144792351. The next prime is 47144792417. The reversal of 47144792388 is 88329744174.

It is a tau number, because it is divible by the number of its divisors (12).

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, 1964366338 + ... + 1964366361.

Almost surely, 2^47144792388 is an apocalyptic number.

It is an amenable number.

47144792388 is an abundant number, since it is smaller than the sum of its proper divisors (62859723212).

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

47144792388 is a wasteful number, since it uses less digits than its factorization.

47144792388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3928732706 (or 3928732704 counting only the distinct ones).

The product of its digits is 10838016, while the sum is 57.

The spelling of 47144792388 in words is "forty-seven billion, one hundred forty-four million, seven hundred ninety-two thousand, three hundred eighty-eight".