640514170314 has 24 divisors (see below), whose sum is σ = 1391404165632. Its totient is φ = 212947267560.

The previous prime is 640514170313. The next prime is 640514170327. The reversal of 640514170314 is 413071415046.

640514170314 is a `hidden beast` number, since 6 + 40 + 514 + 1 + 70 + 31 + 4 = 666.

640514170314 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (640514170313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46447572 + ... + 46461359.

It is an arithmetic number, because the mean of its divisors is an integer number (57975173568).

Almost surely, 2^640514170314 is an apocalyptic number.

640514170314 is an abundant number, since it is smaller than the sum of its proper divisors (750889995318).

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

640514170314 is a wasteful number, since it uses less digits than its factorization.

640514170314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92909322 (or 92909319 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 640514170314 in words is "six hundred forty billion, five hundred fourteen million, one hundred seventy thousand, three hundred fourteen".