426146660 has 12 divisors (see below), whose sum is σ = 894908028. Its totient is φ = 170458656.

The previous prime is 426146647. The next prime is 426146681. The reversal of 426146660 is 66641624.

It can be written as a sum of positive squares in 2 ways, for example, as 265820416 + 160326244 = 16304^2 + 12662^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 426146660.

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, 10653647 + ... + 10653686.

It is an arithmetic number, because the mean of its divisors is an integer number (74575669).

Almost surely, 2^426146660 is an apocalyptic number.

It is an amenable number.

426146660 is an abundant number, since it is smaller than the sum of its proper divisors (468761368).

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

426146660 is a wasteful number, since it uses less digits than its factorization.

426146660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21307342 (or 21307340 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 426146660 is about 20643.3199849249. The cubic root of 426146660 is about 752.5228581409.

The spelling of 426146660 in words is "four hundred twenty-six million, one hundred forty-six thousand, six hundred sixty".