316140426 has 96 divisors (see below), whose sum is σ = 815443200. Its totient is φ = 86607360.

The previous prime is 316140421. The next prime is 316140481. The reversal of 316140426 is 624041613.

316140426 is a `hidden beast` number, since 3 + 1 + 614 + 0 + 42 + 6 = 666.

It is a super-2 number, since 2×316140426² = 199889537902922952, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 316140426.

It is not an unprimeable number, because it can be changed into a prime (316140421) 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 47 ways as a sum of consecutive naturals, for example, 880435 + ... + 880793.

It is an arithmetic number, because the mean of its divisors is an integer number (8494200).

Almost surely, 2^316140426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 316140426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (407721600).

316140426 is an abundant number, since it is smaller than the sum of its proper divisors (499302774).

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

316140426 is a wasteful number, since it uses less digits than its factorization.

316140426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644 (or 641 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 316140426 is about 17780.3381857601. The cubic root of 316140426 is about 681.2293404952.

The spelling of 316140426 in words is "three hundred sixteen million, one hundred forty thousand, four hundred twenty-six".