69440294660 has 24 divisors (see below), whose sum is σ = 159081402816. Its totient is φ = 25251016160.

The previous prime is 69440294659. The next prime is 69440294687. The reversal of 69440294660 is 6649204496.

It is a junction number, because it is equal to n+sod(n) for n = 69440294599 and 69440294608.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157818632 + ... + 157819071.

It is an arithmetic number, because the mean of its divisors is an integer number (6628391784).

Almost surely, 2^69440294660 is an apocalyptic number.

It is an amenable number.

69440294660 is an abundant number, since it is smaller than the sum of its proper divisors (89641108156).

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

69440294660 is a wasteful number, since it uses less digits than its factorization.

69440294660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315637723 (or 315637721 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 50.

The spelling of 69440294660 in words is "sixty-nine billion, four hundred forty million, two hundred ninety-four thousand, six hundred sixty".