426603833838 has 80 divisors (see below), whose sum is σ = 1176502921440. Its totient is φ = 112510897344.

The previous prime is 426603833809. The next prime is 426603833849. The reversal of 426603833838 is 838338306624.

It is a happy number.

426603833838 is a `hidden beast` number, since 4 + 26 + 603 + 8 + 3 + 3 + 8 + 3 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 14454253 + ... + 14483736.

It is an arithmetic number, because the mean of its divisors is an integer number (14706286518).

Almost surely, 2^426603833838 is an apocalyptic number.

426603833838 is an abundant number, since it is smaller than the sum of its proper divisors (749899087602).

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

426603833838 is a wasteful number, since it uses less digits than its factorization.

426603833838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28938023 (or 28938014 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 54.

The spelling of 426603833838 in words is "four hundred twenty-six billion, six hundred three million, eight hundred thirty-three thousand, eight hundred thirty-eight".