420571022016 has 56 divisors (see below), whose sum is σ = 1114106788800. Its totient is φ = 140020771072.

The previous prime is 420571021973. The next prime is 420571022111. The reversal of 420571022016 is 610220175024.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1165566 + ... + 1483133.

Almost surely, 2^420571022016 is an apocalyptic number.

It is an amenable number.

420571022016 is an abundant number, since it is smaller than the sum of its proper divisors (693535766784).

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

420571022016 is a wasteful number, since it uses less digits than its factorization.

420571022016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2649541 (or 2649531 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The spelling of 420571022016 in words is "four hundred twenty billion, five hundred seventy-one million, twenty-two thousand, sixteen".