420057192155 has 16 divisors (see below), whose sum is σ = 520359976704. Its totient is φ = 325186151040.

The previous prime is 420057192143. The next prime is 420057192161. The reversal of 420057192155 is 551291750024.

It is not a de Polignac number, because 420057192155 - 2⁸ = 420057191899 is a prime.

It is a super-2 number, since 2×420057192155² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

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, 2869397 + ... + 3012233.

It is an arithmetic number, because the mean of its divisors is an integer number (32522498544).

Almost surely, 2^420057192155 is an apocalyptic number.

420057192155 is a deficient number, since it is larger than the sum of its proper divisors (100302784549).

420057192155 is a wasteful number, since it uses less digits than its factorization.

420057192155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161846.

The product of its (nonzero) digits is 126000, while the sum is 41.

The spelling of 420057192155 in words is "four hundred twenty billion, fifty-seven million, one hundred ninety-two thousand, one hundred fifty-five".