485452320290 has 48 divisors (see below), whose sum is σ = 1019012985144. Its totient is φ = 166025664000.

The previous prime is 485452320281. The next prime is 485452320313. The reversal of 485452320290 is 92023254584.

It can be written as a sum of positive squares in 4 ways, for example, as 480122882281 + 5329438009 = 692909^2 + 73003^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1038821 + ... + 1431800.

Almost surely, 2^485452320290 is an apocalyptic number.

485452320290 is an abundant number, since it is smaller than the sum of its proper divisors (533560664854).

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

485452320290 is a wasteful number, since it uses less digits than its factorization.

485452320290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2471043 (or 2471036 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 44.

The spelling of 485452320290 in words is "four hundred eighty-five billion, four hundred fifty-two million, three hundred twenty thousand, two hundred ninety".