485020890 has 24 divisors (see below), whose sum is σ = 1261054548. Its totient is φ = 129338880.

The previous prime is 485020889. The next prime is 485020919. The reversal of 485020890 is 98020584.

It can be written as a sum of positive squares in 2 ways, for example, as 460488681 + 24532209 = 21459^2 + 4953^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2694471 + ... + 2694650.

Almost surely, 2^485020890 is an apocalyptic number.

485020890 is an abundant number, since it is smaller than the sum of its proper divisors (776033658).

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

485020890 is a wasteful number, since it uses less digits than its factorization.

485020890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5389134 (or 5389131 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 485020890 is about 22023.1898234565. The cubic root of 485020890 is about 785.6940809759.

The spelling of 485020890 in words is "four hundred eighty-five million, twenty thousand, eight hundred ninety".