8461890260 has 12 divisors (see below), whose sum is σ = 17769969588. Its totient is φ = 3384756096.

The previous prime is 8461890259. The next prime is 8461890277. The reversal of 8461890260 is 620981648.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5158399684 + 3303490576 = 71822^2 + 57476^2 .

It is a congruent number.

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, 211547237 + ... + 211547276.

It is an arithmetic number, because the mean of its divisors is an integer number (1480830799).

Almost surely, 2^8461890260 is an apocalyptic number.

It is an amenable number.

8461890260 is an abundant number, since it is smaller than the sum of its proper divisors (9308079328).

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

8461890260 is a wasteful number, since it uses less digits than its factorization.

8461890260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423094522 (or 423094520 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 8461890260 is about 91988.5333071465. The cubic root of 8461890260 is about 2037.7729653485.

The spelling of 8461890260 in words is "eight billion, four hundred sixty-one million, eight hundred ninety thousand, two hundred sixty".