485989632 has 180 divisors, whose sum is σ = 1513622880. Its totient is φ = 154801152.

The previous prime is 485989607. The next prime is 485989639. The reversal of 485989632 is 236989584.

485989632 is a `hidden beast` number, since 48 + 598 + 9 + 6 + 3 + 2 = 666.

It is a super-2 number, since 2×485989632² = 472371844822990848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485989639) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 476419 + ... + 477437.

It is an arithmetic number, because the mean of its divisors is an integer number (8409016).

Almost surely, 2^485989632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 485989632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (756811440).

485989632 is an abundant number, since it is smaller than the sum of its proper divisors (1027633248).

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

485989632 is a wasteful number, since it uses less digits than its factorization.

485989632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070 (or 1047 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 54.

The square root of 485989632 is about 22045.1725327791. The cubic root of 485989632 is about 786.2168273079.

The spelling of 485989632 in words is "four hundred eighty-five million, nine hundred eighty-nine thousand, six hundred thirty-two".