426236221602 has 32 divisors (see below), whose sum is σ = 947379735360. Its totient is φ = 142050520800.

The previous prime is 426236221591. The next prime is 426236221661. The reversal of 426236221602 is 206122632624.

426236221602 is a `hidden beast` number, since 4 + 2 + 6 + 23 + 6 + 2 + 21 + 602 = 666.

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, 508603 + ... + 1054110.

It is an arithmetic number, because the mean of its divisors is an integer number (29605616730).

Almost surely, 2^426236221602 is an apocalyptic number.

426236221602 is an abundant number, since it is smaller than the sum of its proper divisors (521143513758).

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

426236221602 is a wasteful number, since it uses less digits than its factorization.

426236221602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1567775 (or 1567769 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The spelling of 426236221602 in words is "four hundred twenty-six billion, two hundred thirty-six million, two hundred twenty-one thousand, six hundred two".