453458447508 has 144 divisors (see below), whose sum is σ = 1227317349888. Its totient is φ = 129205440000.

The previous prime is 453458447503. The next prime is 453458447509. The reversal of 453458447508 is 805744854354.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (453458447503) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 44666233 + ... + 44676383.

It is an arithmetic number, because the mean of its divisors is an integer number (8523037152).

Almost surely, 2^453458447508 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 453458447508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (613658674944).

453458447508 is an abundant number, since it is smaller than the sum of its proper divisors (773858902380).

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

453458447508 is a wasteful number, since it uses less digits than its factorization.

453458447508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11374 (or 11355 counting only the distinct ones).

The product of its (nonzero) digits is 43008000, while the sum is 57.

The spelling of 453458447508 in words is "four hundred fifty-three billion, four hundred fifty-eight million, four hundred forty-seven thousand, five hundred eight".