454239980 has 24 divisors (see below), whose sum is σ = 964625760. Its totient is φ = 179653760.

The previous prime is 454239979. The next prime is 454240019. The reversal of 454239980 is 89932454.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125816 + ... + 129375.

It is an arithmetic number, because the mean of its divisors is an integer number (40192740).

Almost surely, 2^454239980 is an apocalyptic number.

It is an amenable number.

454239980 is an abundant number, since it is smaller than the sum of its proper divisors (510385780).

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

454239980 is a wasteful number, since it uses less digits than its factorization.

454239980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255289 (or 255287 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 44.

The square root of 454239980 is about 21312.9064184123. The cubic root of 454239980 is about 768.7086806179.

The spelling of 454239980 in words is "four hundred fifty-four million, two hundred thirty-nine thousand, nine hundred eighty".