421258380 has 48 divisors (see below), whose sum is σ = 1217577984. Its totient is φ = 108711360.

The previous prime is 421258337. The next prime is 421258393. The reversal of 421258380 is 83852124.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111382 + ... + 115101.

It is an arithmetic number, because the mean of its divisors is an integer number (25366208).

Almost surely, 2^421258380 is an apocalyptic number.

It is an amenable number.

421258380 is an abundant number, since it is smaller than the sum of its proper divisors (796319604).

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

421258380 is a wasteful number, since it uses less digits than its factorization.

421258380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226526 (or 226524 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 421258380 is about 20524.5798982586. The cubic root of 421258380 is about 749.6344173836.

It can be divided in two parts, 42125 and 8380, that added together give a palindrome (50505).

The spelling of 421258380 in words is "four hundred twenty-one million, two hundred fifty-eight thousand, three hundred eighty".