426844271900 has 72 divisors (see below), whose sum is σ = 955671072720. Its totient is φ = 165374784000.

The previous prime is 426844271879. The next prime is 426844271947. The reversal of 426844271900 is 9172448624.

It is a super-3 number, since 3×426844271900³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 195410 + ... + 944390.

Almost surely, 2^426844271900 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 426844271900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (477835536360).

426844271900 is an abundant number, since it is smaller than the sum of its proper divisors (528826800820).

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

426844271900 is a wasteful number, since it uses less digits than its factorization.

426844271900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749175 (or 749168 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 47.

The spelling of 426844271900 in words is "four hundred twenty-six billion, eight hundred forty-four million, two hundred seventy-one thousand, nine hundred".