452818620 has 48 divisors (see below), whose sum is σ = 1408770720. Its totient is φ = 120751488.

The previous prime is 452818607. The next prime is 452818657. The reversal of 452818620 is 26818254.

452818620 is a `hidden beast` number, since 4 + 5 + 28 + 1 + 8 + 620 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 418737 + ... + 419816.

It is an arithmetic number, because the mean of its divisors is an integer number (29349390).

Almost surely, 2^452818620 is an apocalyptic number.

It is an amenable number.

452818620 is an abundant number, since it is smaller than the sum of its proper divisors (955952100).

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

452818620 is a wasteful number, since it uses less digits than its factorization.

452818620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838571 (or 838563 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 452818620 is about 21279.5352392857. The cubic root of 452818620 is about 767.9060554033.

The spelling of 452818620 in words is "four hundred fifty-two million, eight hundred eighteen thousand, six hundred twenty".