466640420 has 12 divisors (see below), whose sum is σ = 979944924. Its totient is φ = 186656160.

The previous prime is 466640413. The next prime is 466640431. The reversal of 466640420 is 24046664.

It can be written as a sum of positive squares in 2 ways, for example, as 308283364 + 158357056 = 17558^2 + 12584^2 .

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, 11665991 + ... + 11666030.

It is an arithmetic number, because the mean of its divisors is an integer number (81662077).

Almost surely, 2^466640420 is an apocalyptic number.

It is an amenable number.

466640420 is an abundant number, since it is smaller than the sum of its proper divisors (513304504).

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

466640420 is a wasteful number, since it uses less digits than its factorization.

466640420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23332030 (or 23332028 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 466640420 is about 21601.8614938621. The cubic root of 466640420 is about 775.6410485154.

It can be divided in two parts, 46 and 6640420, that added together give a palindrome (6640466).

The spelling of 466640420 in words is "four hundred sixty-six million, six hundred forty thousand, four hundred twenty".