452148816 has 80 divisors (see below), whose sum is σ = 1348774784. Its totient is φ = 127844352.

The previous prime is 452148799. The next prime is 452148839. The reversal of 452148816 is 618841254.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25656 + ... + 39528.

Almost surely, 2^452148816 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 452148816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (674387392).

452148816 is an abundant number, since it is smaller than the sum of its proper divisors (896625968).

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

452148816 is a wasteful number, since it uses less digits than its factorization.

452148816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13988 (or 13982 counting only the distinct ones).

The product of its digits is 61440, while the sum is 39.

The square root of 452148816 is about 21263.7911953631. The cubic root of 452148816 is about 767.5272426819.

The spelling of 452148816 in words is "four hundred fifty-two million, one hundred forty-eight thousand, eight hundred sixteen".