421564087760 has 40 divisors (see below), whose sum is σ = 980163518496. Its totient is φ = 168620987520.

The previous prime is 421564087753. The next prime is 421564087781. The reversal of 421564087760 is 67780465124.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 421564087699 and 421564087708.

It is a congruent number.

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, 5612855 + ... + 5687465.

Almost surely, 2^421564087760 is an apocalyptic number.

421564087760 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

421564087760 is an abundant number, since it is smaller than the sum of its proper divisors (558599430736).

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

421564087760 is a wasteful number, since it uses less digits than its factorization.

421564087760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145251 (or 145245 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 50.

The spelling of 421564087760 in words is "four hundred twenty-one billion, five hundred sixty-four million, eighty-seven thousand, seven hundred sixty".