421458754194 has 24 divisors (see below), whose sum is σ = 917488417872. Its totient is φ = 139820438520.

The previous prime is 421458754193. The next prime is 421458754231. The reversal of 421458754194 is 491457854124.

421458754194 is a `hidden beast` number, since 4 + 2 + 1 + 4 + 5 + 8 + 7 + 541 + 94 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 421458754194.

It is not an unprimeable number, because it can be changed into a prime (421458754193) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55480504 + ... + 55488099.

It is an arithmetic number, because the mean of its divisors is an integer number (38228684078).

Almost surely, 2^421458754194 is an apocalyptic number.

421458754194 is an abundant number, since it is smaller than the sum of its proper divisors (496029663678).

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

421458754194 is a wasteful number, since it uses less digits than its factorization.

421458754194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110968822 (or 110968819 counting only the distinct ones).

The product of its digits is 6451200, while the sum is 54.

The spelling of 421458754194 in words is "four hundred twenty-one billion, four hundred fifty-eight million, seven hundred fifty-four thousand, one hundred ninety-four".