426645946322 has 54 divisors (see below), whose sum is σ = 677786247621. Its totient is φ = 201411833520.

The previous prime is 426645946217. The next prime is 426645946327. The reversal of 426645946322 is 223649546624.

It can be written as a sum of positive squares in 2 ways, for example, as 311398596961 + 115247349361 = 558031^2 + 339481^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=461869.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426645946327) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1345886108 + ... + 1345886424.

Almost surely, 2^426645946322 is an apocalyptic number.

426645946322 is a deficient number, since it is larger than the sum of its proper divisors (251140301299).

426645946322 is an frugal number, since it uses more digits than its factorization.

426645946322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792 (or 397 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 53.

The spelling of 426645946322 in words is "four hundred twenty-six billion, six hundred forty-five million, nine hundred forty-six thousand, three hundred twenty-two".