450975400 has 96 divisors (see below), whose sum is σ = 1099929600. Its totient is φ = 171763200.

The previous prime is 450975391. The next prime is 450975419. The reversal of 450975400 is 4579054.

It is a super-2 number, since 2×450975400² = 406757622810320000, which contains 22 as substring.

It is a congruent number.

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, 351961 + ... + 353239.

It is an arithmetic number, because the mean of its divisors is an integer number (11457600).

Almost surely, 2^450975400 is an apocalyptic number.

450975400 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 450975400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (549964800).

450975400 is an abundant number, since it is smaller than the sum of its proper divisors (648954200).

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

450975400 is a wasteful number, since it uses less digits than its factorization.

450975400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1379 (or 1370 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 450975400 is about 21236.1813893176. The cubic root of 450975400 is about 766.8627055916.

The spelling of 450975400 in words is "four hundred fifty million, nine hundred seventy-five thousand, four hundred".