640266053314 has 16 divisors (see below), whose sum is σ = 970667445888. Its totient is φ = 316712737152.

The previous prime is 640266053281. The next prime is 640266053381. The reversal of 640266053314 is 413350662046.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109894 + ... + 1136929.

It is an arithmetic number, because the mean of its divisors is an integer number (60666715368).

Almost surely, 2^640266053314 is an apocalyptic number.

640266053314 is a deficient number, since it is larger than the sum of its proper divisors (330401392574).

640266053314 is a wasteful number, since it uses less digits than its factorization.

640266053314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1249569.

The product of its (nonzero) digits is 311040, while the sum is 40.

The spelling of 640266053314 in words is "six hundred forty billion, two hundred sixty-six million, fifty-three thousand, three hundred fourteen".