421036564456 has 64 divisors (see below), whose sum is σ = 804555322560. Its totient is φ = 206531520000.

The previous prime is 421036564451. The next prime is 421036564457. The reversal of 421036564456 is 654465630124.

It is a super-2 number, since 2×421036564456² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (421036564451) 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, 80547715 + ... + 80552941.

It is an arithmetic number, because the mean of its divisors is an integer number (12571176915).

Almost surely, 2^421036564456 is an apocalyptic number.

It is an amenable number.

421036564456 is a deficient number, since it is larger than the sum of its proper divisors (383518758104).

421036564456 is a wasteful number, since it uses less digits than its factorization.

421036564456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6226 (or 6222 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 46.

The spelling of 421036564456 in words is "four hundred twenty-one billion, thirty-six million, five hundred sixty-four thousand, four hundred fifty-six".