319653790944 has 48 divisors (see below), whose sum is σ = 844722723600. Its totient is φ = 105836149760.

The previous prime is 319653790933. The next prime is 319653790957. The reversal of 319653790944 is 449097356913.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×319653790944² (a number of 24 digits) contains 22 as substring.

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, 11159277 + ... + 11187884.

It is an arithmetic number, because the mean of its divisors is an integer number (17598390075).

Almost surely, 2^319653790944 is an apocalyptic number.

It is an amenable number.

319653790944 is an abundant number, since it is smaller than the sum of its proper divisors (525068932656).

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

319653790944 is a wasteful number, since it uses less digits than its factorization.

319653790944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22347323 (or 22347315 counting only the distinct ones).

The product of its (nonzero) digits is 22044960, while the sum is 60.

The spelling of 319653790944 in words is "three hundred nineteen billion, six hundred fifty-three million, seven hundred ninety thousand, nine hundred forty-four".