426768323436 has 288 divisors, whose sum is σ = 1378550759040. Its totient is φ = 108274102272.

The previous prime is 426768323419. The next prime is 426768323461. The reversal of 426768323436 is 634323867624.

426768323436 is a `hidden beast` number, since 4 + 267 + 6 + 8 + 32 + 343 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 26308000 + ... + 26324216.

It is an arithmetic number, because the mean of its divisors is an integer number (4786634580).

Almost surely, 2^426768323436 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 426768323436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (689275379520).

426768323436 is an abundant number, since it is smaller than the sum of its proper divisors (951782435604).

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

426768323436 is a wasteful number, since it uses less digits than its factorization.

426768323436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16553 (or 16548 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 54.

The spelling of 426768323436 in words is "four hundred twenty-six billion, seven hundred sixty-eight million, three hundred twenty-three thousand, four hundred thirty-six".