316255142440 has 32 divisors (see below), whose sum is σ = 711700101000. Its totient is φ = 126479651584.

The previous prime is 316255142417. The next prime is 316255142447. The reversal of 316255142440 is 44241552613.

It can be written as a sum of positive squares in 4 ways, for example, as 145284470244 + 170970672196 = 381162^2 + 413486^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 316255142440.

It is not an unprimeable number, because it can be changed into a prime (316255142447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 470575 + ... + 924094.

Almost surely, 2^316255142440 is an apocalyptic number.

It is an amenable number.

316255142440 is an abundant number, since it is smaller than the sum of its proper divisors (395444958560).

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

316255142440 is a wasteful number, since it uses less digits than its factorization.

316255142440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1400349 (or 1400345 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 316255142440 in words is "three hundred sixteen billion, two hundred fifty-five million, one hundred forty-two thousand, four hundred forty".