426664322670 has 32 divisors (see below), whose sum is σ = 1024666837632. Its totient is φ = 113702434592.

The previous prime is 426664322663. The next prime is 426664322671. The reversal of 426664322670 is 76223466624.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426664322671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4623432 + ... + 4714811.

It is an arithmetic number, because the mean of its divisors is an integer number (32020838676).

Almost surely, 2^426664322670 is an apocalyptic number.

426664322670 is an abundant number, since it is smaller than the sum of its proper divisors (598002514962).

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

426664322670 is a wasteful number, since it uses less digits than its factorization.

426664322670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9339776.

The product of its (nonzero) digits is 3483648, while the sum is 48.

The spelling of 426664322670 in words is "four hundred twenty-six billion, six hundred sixty-four million, three hundred twenty-two thousand, six hundred seventy".