319716087640 has 16 divisors (see below), whose sum is σ = 719361197280. Its totient is φ = 127886435040.

The previous prime is 319716087629. The next prime is 319716087641. The reversal of 319716087640 is 46780617913.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (319716087641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3996451056 + ... + 3996451135.

It is an arithmetic number, because the mean of its divisors is an integer number (44960074830).

Almost surely, 2^319716087640 is an apocalyptic number.

It is an amenable number.

319716087640 is an abundant number, since it is smaller than the sum of its proper divisors (399645109640).

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

319716087640 is a wasteful number, since it uses less digits than its factorization.

319716087640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7992902202 (or 7992902198 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 52.

The spelling of 319716087640 in words is "three hundred nineteen billion, seven hundred sixteen million, eighty-seven thousand, six hundred forty".