485881144 has 16 divisors (see below), whose sum is σ = 1041174000. Its totient is φ = 208234752.

The previous prime is 485881139. The next prime is 485881147. The reversal of 485881144 is 441188584.

It is a self number, because there is not a number n which added to its sum of digits gives 485881144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485881147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4338169 + ... + 4338280.

It is an arithmetic number, because the mean of its divisors is an integer number (65073375).

Almost surely, 2^485881144 is an apocalyptic number.

It is an amenable number.

485881144 is an abundant number, since it is smaller than the sum of its proper divisors (555292856).

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

485881144 is a wasteful number, since it uses less digits than its factorization.

485881144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8676462 (or 8676458 counting only the distinct ones).

The product of its digits is 163840, while the sum is 43.

The square root of 485881144 is about 22042.7118113902. The cubic root of 485881144 is about 786.1583202719.

The spelling of 485881144 in words is "four hundred eighty-five million, eight hundred eighty-one thousand, one hundred forty-four".