426566411520 has 144 divisors (see below), whose sum is σ = 1362640285440. Its totient is φ = 113726513152.

The previous prime is 426566411503. The next prime is 426566411533. The reversal of 426566411520 is 25114665624.

It is a congruent number.

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, 24133246 + ... + 24150914.

It is an arithmetic number, because the mean of its divisors is an integer number (9462779760).

Almost surely, 2^426566411520 is an apocalyptic number.

426566411520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 426566411520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (681320142720).

426566411520 is an abundant number, since it is smaller than the sum of its proper divisors (936073873920).

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

426566411520 is a wasteful number, since it uses less digits than its factorization.

426566411520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23980 (or 23966 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 426566411520 in words is "four hundred twenty-six billion, five hundred sixty-six million, four hundred eleven thousand, five hundred twenty".