421334452074 has 32 divisors (see below), whose sum is σ = 845177155200. Its totient is φ = 140027372352.

The previous prime is 421334451971. The next prime is 421334452087. The reversal of 421334452074 is 470254433124.

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, 2776827 + ... + 2924625.

It is an arithmetic number, because the mean of its divisors is an integer number (26411786100).

Almost surely, 2^421334452074 is an apocalyptic number.

421334452074 is an abundant number, since it is smaller than the sum of its proper divisors (423842703126).

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

421334452074 is a wasteful number, since it uses less digits than its factorization.

421334452074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149214.

The product of its (nonzero) digits is 322560, while the sum is 39.

Adding to 421334452074 its reverse (470254433124), we get a palindrome (891588885198).

The spelling of 421334452074 in words is "four hundred twenty-one billion, three hundred thirty-four million, four hundred fifty-two thousand, seventy-four".