454985988 has 24 divisors (see below), whose sum is σ = 1098242880. Its totient is φ = 146432160.

The previous prime is 454985987. The next prime is 454986013. The reversal of 454985988 is 889589454.

It is a super-2 number, since 2×454985988² = 414024498552672288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (454985981) 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, 653368 + ... + 654063.

It is an arithmetic number, because the mean of its divisors is an integer number (45760120).

Almost surely, 2^454985988 is an apocalyptic number.

It is an amenable number.

454985988 is an abundant number, since it is smaller than the sum of its proper divisors (643256892).

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

454985988 is a wasteful number, since it uses less digits than its factorization.

454985988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307467 (or 1307465 counting only the distinct ones).

The product of its digits is 16588800, while the sum is 60.

The square root of 454985988 is about 21330.4005588268. The cubic root of 454985988 is about 769.1292726691.

The spelling of 454985988 in words is "four hundred fifty-four million, nine hundred eighty-five thousand, nine hundred eighty-eight".