426912551403520 has 1728 divisors, whose sum is σ = 1354025687648256. Its totient is φ = 125608164065280.

The previous prime is 426912551403509. The next prime is 426912551403589. The reversal of 426912551403520 is 25304155219624.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5403956346841 + ... + 5403956346919.

It is an arithmetic number, because the mean of its divisors is an integer number (783579680352).

Almost surely, 2^{426912551403520} is an apocalyptic number.

426912551403520 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 426912551403520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (677012843824128).

426912551403520 is an abundant number, since it is smaller than the sum of its proper divisors (927113136244736).

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

426912551403520 is an frugal number, since it uses more digits than its factorization.

426912551403520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285 (or 174 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 49.

The spelling of 426912551403520 in words is "four hundred twenty-six trillion, nine hundred twelve billion, five hundred fifty-one million, four hundred three thousand, five hundred twenty".