76021609940 has 48 divisors (see below), whose sum is σ = 162311143680. Its totient is φ = 29903952000.

The previous prime is 76021609933. The next prime is 76021609991. The reversal of 76021609940 is 4990612067.

It is a junction number, because it is equal to n+sod(n) for n = 76021609891 and 76021609900.

It is a congruent number.

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, 300734 + ... + 492426.

It is an arithmetic number, because the mean of its divisors is an integer number (3381482160).

Almost surely, 2^76021609940 is an apocalyptic number.

It is an amenable number.

76021609940 is an abundant number, since it is smaller than the sum of its proper divisors (86289533740).

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

76021609940 is a wasteful number, since it uses less digits than its factorization.

76021609940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192032 (or 192030 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 44.

The spelling of 76021609940 in words is "seventy-six billion, twenty-one million, six hundred nine thousand, nine hundred forty".