426623216025506 has 32 divisors (see below), whose sum is σ = 689140727081280. Its totient is φ = 197338661047296.

The previous prime is 426623216025467. The next prime is 426623216025563. The reversal of 426623216025506 is 605520612326624.

It is a happy number.

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, 5579210 + ... + 29738426.

It is an arithmetic number, because the mean of its divisors is an integer number (21535647721290).

Almost surely, 2^{426623216025506} is an apocalyptic number.

426623216025506 is a deficient number, since it is larger than the sum of its proper divisors (262517511055774).

426623216025506 is a wasteful number, since it uses less digits than its factorization.

426623216025506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24168098.

The product of its (nonzero) digits is 6220800, while the sum is 50.

The spelling of 426623216025506 in words is "four hundred twenty-six trillion, six hundred twenty-three billion, two hundred sixteen million, twenty-five thousand, five hundred six".