426739802580 has 576 divisors, whose sum is σ = 1671328189440. Its totient is φ = 85661908992.

The previous prime is 426739802579. The next prime is 426739802597. The reversal of 426739802580 is 85208937624.

426739802580 is a `hidden beast` number, since 4 + 26 + 7 + 39 + 8 + 0 + 2 + 580 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 72707886 + ... + 72713754.

It is an arithmetic number, because the mean of its divisors is an integer number (2901611440).

Almost surely, 2^426739802580 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 426739802580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (835664094720).

426739802580 is an abundant number, since it is smaller than the sum of its proper divisors (1244588386860).

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

426739802580 is a wasteful number, since it uses less digits than its factorization.

426739802580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6120 (or 6115 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 426739802580 in words is "four hundred twenty-six billion, seven hundred thirty-nine million, eight hundred two thousand, five hundred eighty".