485880640 has 56 divisors (see below), whose sum is σ = 1322295552. Its totient is φ = 166586880.

The previous prime is 485880623. The next prime is 485880641. The reversal of 485880640 is 46088584.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485880641) 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, 106216 + ... + 110695.

Almost surely, 2^485880640 is an apocalyptic number.

485880640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

485880640 is an abundant number, since it is smaller than the sum of its proper divisors (836414912).

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

485880640 is a wasteful number, since it uses less digits than its factorization.

485880640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216935 (or 216925 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 43.

The square root of 485880640 is about 22042.7003790370. The cubic root of 485880640 is about 786.1580484469.

The spelling of 485880640 in words is "four hundred eighty-five million, eight hundred eighty thousand, six hundred forty".