909799792340 has 24 divisors (see below), whose sum is σ = 1915901527680. Its totient is φ = 362906209568.

The previous prime is 909799792339. The next prime is 909799792367. The reversal of 909799792340 is 43297997909.

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, 63349352 + ... + 63363711.

It is an arithmetic number, because the mean of its divisors is an integer number (79829230320).

Almost surely, 2^909799792340 is an apocalyptic number.

It is an amenable number.

909799792340 is an abundant number, since it is smaller than the sum of its proper divisors (1006101735340).

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

909799792340 is a wasteful number, since it uses less digits than its factorization.

909799792340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126713431 (or 126713429 counting only the distinct ones).

The product of its (nonzero) digits is 69441624, while the sum is 68.

The spelling of 909799792340 in words is "nine hundred nine billion, seven hundred ninety-nine million, seven hundred ninety-two thousand, three hundred forty".