319440628474 has 24 divisors (see below), whose sum is σ = 527068560564. Its totient is φ = 145093449600.

The previous prime is 319440628469. The next prime is 319440628477. The reversal of 319440628474 is 474826044913.

It can be written as a sum of positive squares in 2 ways, for example, as 311802742449 + 7637886025 = 558393^2 + 87395^2 .

It is not an unprimeable number, because it can be changed into a prime (319440628477) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 155577 + ... + 814300.

Almost surely, 2^319440628474 is an apocalyptic number.

319440628474 is a deficient number, since it is larger than the sum of its proper divisors (207627932090).

319440628474 is a wasteful number, since it uses less digits than its factorization.

319440628474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971262 (or 971251 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 52.

The spelling of 319440628474 in words is "three hundred nineteen billion, four hundred forty million, six hundred twenty-eight thousand, four hundred seventy-four".