426872322822 has 96 divisors (see below), whose sum is σ = 968759616384. Its totient is φ = 124340601600.

The previous prime is 426872322797. The next prime is 426872322823. The reversal of 426872322822 is 228223278624.

It is a happy number.

It is a super-3 number, since 3×426872322822³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426872322823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7470922 + ... + 7527842.

It is an arithmetic number, because the mean of its divisors is an integer number (10091246004).

Almost surely, 2^426872322822 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 426872322822, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (484379808192).

426872322822 is an abundant number, since it is smaller than the sum of its proper divisors (541887293562).

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

426872322822 is a wasteful number, since it uses less digits than its factorization.

426872322822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57094 (or 57057 counting only the distinct ones).

The product of its digits is 2064384, while the sum is 48.

The spelling of 426872322822 in words is "four hundred twenty-six billion, eight hundred seventy-two million, three hundred twenty-two thousand, eight hundred twenty-two".