485720988 has 24 divisors (see below), whose sum is σ = 1135251600. Its totient is φ = 161635200.

The previous prime is 485720987. The next prime is 485720999. The reversal of 485720988 is 889027584.

It is a happy number.

It is a super-2 number, since 2×485720988² = 471849756367392288, which contains 22 as substring.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 485720988.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485720987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26463 + ... + 40886.

It is an arithmetic number, because the mean of its divisors is an integer number (47302150).

Almost surely, 2^485720988 is an apocalyptic number.

It is an amenable number.

485720988 is an abundant number, since it is smaller than the sum of its proper divisors (649530612).

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

485720988 is a wasteful number, since it uses less digits than its factorization.

485720988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67957 (or 67955 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 51.

The square root of 485720988 is about 22039.0786558785. The cubic root of 485720988 is about 786.0719330213.

The spelling of 485720988 in words is "four hundred eighty-five million, seven hundred twenty thousand, nine hundred eighty-eight".