426650263653444 has 12 divisors (see below), whose sum is σ = 995517281858064. Its totient is φ = 142216754551144.

The previous prime is 426650263653437. The next prime is 426650263653457. The reversal of 426650263653444 is 444356362056624.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×426650263653444² (a number of 30 digits) contains 22 as substring.

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, 17777094318882 + ... + 17777094318905.

It is an arithmetic number, because the mean of its divisors is an integer number (82959773488172).

Almost surely, 2^{426650263653444} is an apocalyptic number.

It is an amenable number.

426650263653444 is an abundant number, since it is smaller than the sum of its proper divisors (568867018204620).

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

426650263653444 is a wasteful number, since it uses less digits than its factorization.

426650263653444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35554188637794 (or 35554188637792 counting only the distinct ones).

The product of its (nonzero) digits is 298598400, while the sum is 60.

The spelling of 426650263653444 in words is "four hundred twenty-six trillion, six hundred fifty billion, two hundred sixty-three million, six hundred fifty-three thousand, four hundred forty-four".