426276316788 has 192 divisors, whose sum is σ = 1183753697280. Its totient is φ = 116874067968.

The previous prime is 426276316783. The next prime is 426276316819. The reversal of 426276316788 is 887613672624.

It is a happy number.

It is a super-2 number, since 2×426276316788² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426276316783) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 48696220 + ... + 48704972.

It is an arithmetic number, because the mean of its divisors is an integer number (6165383840).

Almost surely, 2^426276316788 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 426276316788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (591876848640).

426276316788 is an abundant number, since it is smaller than the sum of its proper divisors (757477380492).

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

426276316788 is a wasteful number, since it uses less digits than its factorization.

426276316788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9046 (or 9044 counting only the distinct ones).

The product of its digits is 32514048, while the sum is 60.

The spelling of 426276316788 in words is "four hundred twenty-six billion, two hundred seventy-six million, three hundred sixteen thousand, seven hundred eighty-eight".