640114360 has 32 divisors (see below), whose sum is σ = 1441495440. Its totient is φ = 255825664.

The previous prime is 640114289. The next prime is 640114367. The reversal of 640114360 is 63411046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (640114367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45084 + ... + 57556.

Almost surely, 2^640114360 is an apocalyptic number.

It is an amenable number.

640114360 is an abundant number, since it is smaller than the sum of its proper divisors (801381080).

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

640114360 is a wasteful number, since it uses less digits than its factorization.

640114360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13767 (or 13763 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 640114360 is about 25300.4814183446. The cubic root of 640114360 is about 861.8252023622.

The spelling of 640114360 in words is "six hundred forty million, one hundred fourteen thousand, three hundred sixty".