421233260426 has 16 divisors (see below), whose sum is σ = 689594925600. Its totient is φ = 191385181680.

The previous prime is 421233260387. The next prime is 421233260453. The reversal of 421233260426 is 624062332124.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4173101 + ... + 4272848.

It is an arithmetic number, because the mean of its divisors is an integer number (43099682850).

Almost surely, 2^421233260426 is an apocalyptic number.

421233260426 is a deficient number, since it is larger than the sum of its proper divisors (268361665174).

421233260426 is a wasteful number, since it uses less digits than its factorization.

421233260426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8448229.

The product of its (nonzero) digits is 82944, while the sum is 35.

The spelling of 421233260426 in words is "four hundred twenty-one billion, two hundred thirty-three million, two hundred sixty thousand, four hundred twenty-six".