421363555624 has 16 divisors (see below), whose sum is σ = 861880000320. Its totient is φ = 191528888880.

The previous prime is 421363555603. The next prime is 421363555643. The reversal of 421363555624 is 426555363124.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2394111024 + ... + 2394111199.

It is an arithmetic number, because the mean of its divisors is an integer number (53867500020).

Almost surely, 2^421363555624 is an apocalyptic number.

421363555624 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

421363555624 is an abundant number, since it is smaller than the sum of its proper divisors (440516444696).

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

421363555624 is a wasteful number, since it uses less digits than its factorization.

421363555624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4788222240 (or 4788222236 counting only the distinct ones).

The product of its digits is 2592000, while the sum is 46.

The spelling of 421363555624 in words is "four hundred twenty-one billion, three hundred sixty-three million, five hundred fifty-five thousand, six hundred twenty-four".