3157140437420 has 48 divisors (see below), whose sum is σ = 7282374301440. Its totient is φ = 1144373098176.

The previous prime is 3157140437413. The next prime is 3157140437453. The reversal of 3157140437420 is 247340417513.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180605702 + ... + 180623181.

It is an arithmetic number, because the mean of its divisors is an integer number (151716131280).

Almost surely, 2^{3157140437420} is an apocalyptic number.

It is an amenable number.

3157140437420 is an abundant number, since it is smaller than the sum of its proper divisors (4125233864020).

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

3157140437420 is a wasteful number, since it uses less digits than its factorization.

3157140437420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361228934 (or 361228932 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 41.

The spelling of 3157140437420 in words is "three trillion, one hundred fifty-seven billion, one hundred forty million, four hundred thirty-seven thousand, four hundred twenty".