47645415980 has 24 divisors (see below), whose sum is σ = 100068852912. Its totient is φ = 19055598912.

The previous prime is 47645415977. The next prime is 47645416009. The reversal of 47645415980 is 8951454674.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 4607 + ... + 308726.

It is an arithmetic number, because the mean of its divisors is an integer number (4169535538).

Almost surely, 2^47645415980 is an apocalyptic number.

It is an amenable number.

47645415980 is an abundant number, since it is smaller than the sum of its proper divisors (52423436932).

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

47645415980 is a wasteful number, since it uses less digits than its factorization.

47645415980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320945 (or 320943 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 53.

The spelling of 47645415980 in words is "forty-seven billion, six hundred forty-five million, four hundred fifteen thousand, nine hundred eighty".