640114451304 has 16 divisors (see below), whose sum is σ = 1600286128320. Its totient is φ = 213371483760.

The previous prime is 640114451297. The next prime is 640114451329. The reversal of 640114451304 is 403154411046.

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, 13335717712 + ... + 13335717759.

It is an arithmetic number, because the mean of its divisors is an integer number (100017883020).

Almost surely, 2^640114451304 is an apocalyptic number.

It is an amenable number.

640114451304 is an abundant number, since it is smaller than the sum of its proper divisors (960171677016).

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

640114451304 is a wasteful number, since it uses less digits than its factorization.

640114451304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26671435480 (or 26671435476 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The spelling of 640114451304 in words is "six hundred forty billion, one hundred fourteen million, four hundred fifty-one thousand, three hundred four".