453899397000 has 768 divisors, whose sum is σ = 1703712890880. Its totient is φ = 100251648000.

The previous prime is 453899396989. The next prime is 453899397001. The reversal of 453899397000 is 793998354.

It is not an unprimeable number, because it can be changed into a prime (453899397001) 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, 765428704 + ... + 765429296.

It is an arithmetic number, because the mean of its divisors is an integer number (2218376160).

Almost surely, 2^453899397000 is an apocalyptic number.

453899397000 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 453899397000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (851856445440).

453899397000 is an abundant number, since it is smaller than the sum of its proper divisors (1249813493880).

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

453899397000 is a wasteful number, since it uses less digits than its factorization.

453899397000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799 (or 778 counting only the distinct ones).

The product of its (nonzero) digits is 7348320, while the sum is 57.

The spelling of 453899397000 in words is "four hundred fifty-three billion, eight hundred ninety-nine million, three hundred ninety-seven thousand".