3156564640422 has 64 divisors (see below), whose sum is σ = 6742750003200. Its totient is φ = 985108242560.

The previous prime is 3156564640421. The next prime is 3156564640423. The reversal of 3156564640422 is 2240464656513.

It is an interprime number because it is at equal distance from previous prime (3156564640421) and next prime (3156564640423).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3156564640421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5349979 + ... + 5910617.

It is an arithmetic number, because the mean of its divisors is an integer number (105355468800).

Almost surely, 2^{3156564640422} is an apocalyptic number.

3156564640422 is an abundant number, since it is smaller than the sum of its proper divisors (3586185362778).

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

3156564640422 is a wasteful number, since it uses less digits than its factorization.

3156564640422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560886 (or 560852 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 48.

The spelling of 3156564640422 in words is "three trillion, one hundred fifty-six billion, five hundred sixty-four million, six hundred forty thousand, four hundred twenty-two".