420311164164 has 24 divisors (see below), whose sum is σ = 980741999328. Its totient is φ = 140101442880.

The previous prime is 420311164153. The next prime is 420311164177. The reversal of 420311164164 is 461461113024.

It is a super-2 number, since 2×420311164164² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 591699 + ... + 1091205.

It is an arithmetic number, because the mean of its divisors is an integer number (40864249972).

Almost surely, 2^420311164164 is an apocalyptic number.

It is an amenable number.

420311164164 is an abundant number, since it is smaller than the sum of its proper divisors (560430835164).

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

420311164164 is a wasteful number, since it uses less digits than its factorization.

420311164164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569635 (or 569633 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

Adding to 420311164164 its reverse (461461113024), we get a palindrome (881772277188).

The spelling of 420311164164 in words is "four hundred twenty billion, three hundred eleven million, one hundred sixty-four thousand, one hundred sixty-four".