453989250 has 384 divisors, whose sum is σ = 1545433344. Its totient is φ = 94464000.

The previous prime is 453989209. The next prime is 453989257. The reversal of 453989250 is 52989354.

453989250 is a `hidden beast` number, since 4 + 5 + 398 + 9 + 250 = 666.

It is a super-2 number, since 2×453989250² = 412212478231125000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 453989196 and 453989205.

It is not an unprimeable number, because it can be changed into a prime (453989257) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 5469709 + ... + 5469791.

It is an arithmetic number, because the mean of its divisors is an integer number (4024566).

Almost surely, 2^453989250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 453989250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (772716672).

453989250 is an abundant number, since it is smaller than the sum of its proper divisors (1091444094).

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

453989250 is a wasteful number, since it uses less digits than its factorization.

453989250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The square root of 453989250 is about 21307.0234899199. The cubic root of 453989250 is about 768.5672180950.

The spelling of 453989250 in words is "four hundred fifty-three million, nine hundred eighty-nine thousand, two hundred fifty".