3157117427340 has 72 divisors (see below), whose sum is σ = 9780346779840. Its totient is φ = 823985255424.

The previous prime is 3157117427329. The next prime is 3157117427341. The reversal of 3157117427340 is 437247117513.

3157117427340 is a `hidden beast` number, since 3 + 1 + 571 + 1 + 7 + 4 + 2 + 73 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (3157117427341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 186582405 + ... + 186599324.

It is an arithmetic number, because the mean of its divisors is an integer number (135838149720).

Almost surely, 2^{3157117427340} is an apocalyptic number.

3157117427340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3157117427340 is an abundant number, since it is smaller than the sum of its proper divisors (6623229352500).

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

3157117427340 is a wasteful number, since it uses less digits than its factorization.

3157117427340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373181791 (or 373181786 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 45.

The spelling of 3157117427340 in words is "three trillion, one hundred fifty-seven billion, one hundred seventeen million, four hundred twenty-seven thousand, three hundred forty".