421263708780 has 24 divisors (see below), whose sum is σ = 1179538384752. Its totient is φ = 112336988992.

The previous prime is 421263708773. The next prime is 421263708809. The reversal of 421263708780 is 87807362124.

It is a super-2 number, since 2×421263708780² (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, 3510530847 + ... + 3510530966.

It is an arithmetic number, because the mean of its divisors is an integer number (49147432698).

Almost surely, 2^421263708780 is an apocalyptic number.

It is an amenable number.

421263708780 is an abundant number, since it is smaller than the sum of its proper divisors (758274675972).

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

421263708780 is a wasteful number, since it uses less digits than its factorization.

421263708780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7021061825 (or 7021061823 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 48.

The spelling of 421263708780 in words is "four hundred twenty-one billion, two hundred sixty-three million, seven hundred eight thousand, seven hundred eighty".