452909620 has 12 divisors (see below), whose sum is σ = 951110244. Its totient is φ = 181163840.

The previous prime is 452909599. The next prime is 452909621. The reversal of 452909620 is 26909254.

It can be written as a sum of positive squares in 2 ways, for example, as 294602896 + 158306724 = 17164^2 + 12582^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 452909620.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452909621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11322721 + ... + 11322760.

It is an arithmetic number, because the mean of its divisors is an integer number (79259187).

Almost surely, 2^452909620 is an apocalyptic number.

It is an amenable number.

452909620 is an abundant number, since it is smaller than the sum of its proper divisors (498200624).

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

452909620 is a wasteful number, since it uses less digits than its factorization.

452909620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22645490 (or 22645488 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 452909620 is about 21281.6733364649. The cubic root of 452909620 is about 767.9574923124.

The spelling of 452909620 in words is "four hundred fifty-two million, nine hundred nine thousand, six hundred twenty".