426642402246 has 64 divisors (see below), whose sum is σ = 885560195520. Its totient is φ = 136867368960.

The previous prime is 426642402227. The next prime is 426642402271. The reversal of 426642402246 is 642204246624.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 426642402198 and 426642402207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75629586 + ... + 75635226.

It is an arithmetic number, because the mean of its divisors is an integer number (13836878055).

Almost surely, 2^426642402246 is an apocalyptic number.

426642402246 is an abundant number, since it is smaller than the sum of its proper divisors (458917793274).

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

426642402246 is a wasteful number, since it uses less digits than its factorization.

426642402246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7001.

The product of its (nonzero) digits is 884736, while the sum is 42.

The spelling of 426642402246 in words is "four hundred twenty-six billion, six hundred forty-two million, four hundred two thousand, two hundred forty-six".