948209131920 has 80 divisors (see below), whose sum is σ = 3112357046400. Its totient is φ = 237981898752.

The previous prime is 948209131913. The next prime is 948209131949. The reversal of 948209131920 is 29131902849.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 948209131920.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116198020 + ... + 116206179.

It is an arithmetic number, because the mean of its divisors is an integer number (38904463080).

Almost surely, 2^948209131920 is an apocalyptic number.

It is an amenable number.

948209131920 is an abundant number, since it is smaller than the sum of its proper divisors (2164147914480).

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

948209131920 is a wasteful number, since it uses less digits than its factorization.

948209131920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232404232 (or 232404226 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 48.

The spelling of 948209131920 in words is "nine hundred forty-eight billion, two hundred nine million, one hundred thirty-one thousand, nine hundred twenty".