426648064 has 40 divisors (see below), whose sum is σ = 872332560. Its totient is φ = 208352256.

The previous prime is 426648041. The next prime is 426648083. The reversal of 426648064 is 460846624.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12327 + ... + 31705.

It is an arithmetic number, because the mean of its divisors is an integer number (21808314).

Almost surely, 2^426648064 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 426648064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (436166280).

426648064 is an abundant number, since it is smaller than the sum of its proper divisors (445684496).

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

426648064 is an equidigital number, since it uses as much as digits as its factorization.

426648064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19440 (or 19424 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 40.

The square root of 426648064 is about 20655.4608760008. The cubic root of 426648064 is about 752.8178818336.

The spelling of 426648064 in words is "four hundred twenty-six million, six hundred forty-eight thousand, sixty-four".