640103310214 has 16 divisors (see below), whose sum is σ = 1010976044400. Its totient is φ = 303120849024.

The previous prime is 640103310139. The next prime is 640103310227. The reversal of 640103310214 is 412013301046.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2252527 + ... + 2520730.

It is an arithmetic number, because the mean of its divisors is an integer number (63186002775).

Almost surely, 2^640103310214 is an apocalyptic number.

640103310214 is a deficient number, since it is larger than the sum of its proper divisors (370872734186).

640103310214 is a wasteful number, since it uses less digits than its factorization.

640103310214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4776807.

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

The spelling of 640103310214 in words is "six hundred forty billion, one hundred three million, three hundred ten thousand, two hundred fourteen".