421888254 has 8 divisors (see below), whose sum is σ = 843776520. Its totient is φ = 140629416.

The previous prime is 421888231. The next prime is 421888283. The reversal of 421888254 is 452888124.

It is a sphenic number, since it is the product of 3 distinct primes.

421888254 is an admirable number.

It is a congruent number.

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, 35157349 + ... + 35157360.

It is an arithmetic number, because the mean of its divisors is an integer number (105472065).

Almost surely, 2^421888254 is an apocalyptic number.

421888254 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

421888254 is a wasteful number, since it uses less digits than its factorization.

421888254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70314714.

The product of its digits is 163840, while the sum is 42.

The square root of 421888254 is about 20539.9185490109. The cubic root of 421888254 is about 750.0078541400.

The spelling of 421888254 in words is "four hundred twenty-one million, eight hundred eighty-eight thousand, two hundred fifty-four".