421153055730 has 96 divisors (see below), whose sum is σ = 1222323410880. Its totient is φ = 99723335040.

The previous prime is 421153055717. The next prime is 421153055731. The reversal of 421153055730 is 37550351124.

421153055730 is a `hidden beast` number, since 4 + 2 + 1 + 1 + 530 + 55 + 73 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (421153055731) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4904025 + ... + 4989164.

It is an arithmetic number, because the mean of its divisors is an integer number (12732535530).

Almost surely, 2^421153055730 is an apocalyptic number.

421153055730 is an abundant number, since it is smaller than the sum of its proper divisors (801170355150).

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

421153055730 is a wasteful number, since it uses less digits than its factorization.

421153055730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9893256 (or 9893253 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

The spelling of 421153055730 in words is "four hundred twenty-one billion, one hundred fifty-three million, fifty-five thousand, seven hundred thirty".