764140228204 has 12 divisors (see below), whose sum is σ = 1340580178728. Its totient is φ = 381117320000.

The previous prime is 764140228157. The next prime is 764140228223. The reversal of 764140228204 is 402822041467.

It is a super-2 number, since 2×764140228204² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238196722 + ... + 238199929.

It is an arithmetic number, because the mean of its divisors is an integer number (111715014894).

Almost surely, 2^764140228204 is an apocalyptic number.

It is an amenable number.

764140228204 is a deficient number, since it is larger than the sum of its proper divisors (576439950524).

764140228204 is a wasteful number, since it uses less digits than its factorization.

764140228204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476397056 (or 476397054 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 40.

The spelling of 764140228204 in words is "seven hundred sixty-four billion, one hundred forty million, two hundred twenty-eight thousand, two hundred four".