452064690 has 144 divisors (see below), whose sum is σ = 1491721920. Its totient is φ = 93925440.

The previous prime is 452064677. The next prime is 452064707. The reversal of 452064690 is 96460254.

452064690 is a `hidden beast` number, since 4 + 5 + 2 + 0 + 646 + 9 + 0 = 666.

It is a super-2 number, since 2×452064690² = 408724967889592200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 43851 + ... + 53169.

It is an arithmetic number, because the mean of its divisors is an integer number (10359180).

Almost surely, 2^452064690 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 452064690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (745860960).

452064690 is an abundant number, since it is smaller than the sum of its proper divisors (1039657230).

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

452064690 is a wasteful number, since it uses less digits than its factorization.

452064690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9357 (or 9347 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 452064690 is about 21261.8129518628. The cubic root of 452064690 is about 767.4796381474.

The spelling of 452064690 in words is "four hundred fifty-two million, sixty-four thousand, six hundred ninety".