421290034020 has 72 divisors (see below), whose sum is σ = 1277971007040. Its totient is φ = 112338918720.

The previous prime is 421290033991. The next prime is 421290034043. The reversal of 421290034020 is 20430092124.

421290034020 is a `hidden beast` number, since 4 + 212 + 90 + 0 + 340 + 20 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5600055 + ... + 5674785.

It is an arithmetic number, because the mean of its divisors is an integer number (17749597320).

Almost surely, 2^421290034020 is an apocalyptic number.

It is an amenable number.

421290034020 is an abundant number, since it is smaller than the sum of its proper divisors (856680973020).

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

421290034020 is a wasteful number, since it uses less digits than its factorization.

421290034020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106065 (or 106060 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The spelling of 421290034020 in words is "four hundred twenty-one billion, two hundred ninety million, thirty-four thousand, twenty".