450797800 has 96 divisors (see below), whose sum is σ = 1115553600. Its totient is φ = 168929280.

The previous prime is 450797773. The next prime is 450797813. The reversal of 450797800 is 8797054.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 367989 + ... + 369211.

It is an arithmetic number, because the mean of its divisors is an integer number (11620350).

Almost surely, 2^450797800 is an apocalyptic number.

450797800 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 450797800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (557776800).

450797800 is an abundant number, since it is smaller than the sum of its proper divisors (664755800).

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

450797800 is a wasteful number, since it uses less digits than its factorization.

450797800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1355 (or 1346 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 450797800 is about 21231.9994348154. Note that the first 3 decimals coincide. The cubic root of 450797800 is about 766.7620255258.

The spelling of 450797800 in words is "four hundred fifty million, seven hundred ninety-seven thousand, eight hundred".