420014838171 has 16 divisors (see below), whose sum is σ = 582085050624. Its totient is φ = 269159616864.

The previous prime is 420014838167. The next prime is 420014838181. The reversal of 420014838171 is 171838410024.

It is not a de Polignac number, because 420014838171 - 2² = 420014838167 is a prime.

It is a super-2 number, since 2×420014838171² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (420014838101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22785471 + ... + 22803896.

It is an arithmetic number, because the mean of its divisors is an integer number (36380315664).

Almost surely, 2^420014838171 is an apocalyptic number.

420014838171 is a deficient number, since it is larger than the sum of its proper divisors (162070212453).

420014838171 is a wasteful number, since it uses less digits than its factorization.

420014838171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45589490.

The product of its (nonzero) digits is 43008, while the sum is 39.

The spelling of 420014838171 in words is "four hundred twenty billion, fourteen million, eight hundred thirty-eight thousand, one hundred seventy-one".