420056016142156 has 12 divisors (see below), whose sum is σ = 735098177880360. Its totient is φ = 210027965319200.

The previous prime is 420056016142123. The next prime is 420056016142201. The reversal of 420056016142156 is 651241610650024.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23744856 + ... + 37469056.

It is an arithmetic number, because the mean of its divisors is an integer number (61258181490030).

Almost surely, 2^{420056016142156} is an apocalyptic number.

It is an amenable number.

420056016142156 is a deficient number, since it is larger than the sum of its proper divisors (315042161738204).

420056016142156 is a wasteful number, since it uses less digits than its factorization.

420056016142156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21375944 (or 21375942 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 43.

The spelling of 420056016142156 in words is "four hundred twenty trillion, fifty-six billion, sixteen million, one hundred forty-two thousand, one hundred fifty-six".