420570422046 has 128 divisors (see below), whose sum is σ = 966343271040. Its totient is φ = 135521777664.

The previous prime is 420570422021. The next prime is 420570422057. The reversal of 420570422046 is 640224075024.

420570422046 is a `hidden beast` number, since 4 + 2 + 0 + 570 + 42 + 2 + 0 + 46 = 666.

It is a super-2 number, since 2×420570422046² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 420570422046.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 55945480 + ... + 55952996.

It is an arithmetic number, because the mean of its divisors is an integer number (7549556805).

Almost surely, 2^420570422046 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 420570422046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (483171635520).

420570422046 is an abundant number, since it is smaller than the sum of its proper divisors (545772848994).

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

420570422046 is a wasteful number, since it uses less digits than its factorization.

420570422046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7867 (or 7861 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 36.

The spelling of 420570422046 in words is "four hundred twenty billion, five hundred seventy million, four hundred twenty-two thousand, forty-six".