485633880 has 160 divisors (see below), whose sum is σ = 1676798640. Its totient is φ = 125971200.

The previous prime is 485633839. The next prime is 485633881. The reversal of 485633880 is 88336584.

485633880 is a `hidden beast` number, since 4 + 8 + 5 + 633 + 8 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485633881) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 117855 + ... + 121905.

Almost surely, 2^485633880 is an apocalyptic number.

485633880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 485633880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (838399320).

485633880 is an abundant number, since it is smaller than the sum of its proper divisors (1191164760).

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

485633880 is a wasteful number, since it uses less digits than its factorization.

485633880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4111 (or 4098 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The square root of 485633880 is about 22037.1023503545. The cubic root of 485633880 is about 786.0249394802.

The spelling of 485633880 in words is "four hundred eighty-five million, six hundred thirty-three thousand, eight hundred eighty".