452040420 has 48 divisors (see below), whose sum is σ = 1363078080. Its totient is φ = 111271296.

The previous prime is 452040389. The next prime is 452040431. The reversal of 452040420 is 24040254.

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, 288990 + ... + 290549.

It is an arithmetic number, because the mean of its divisors is an integer number (28397460).

Almost surely, 2^452040420 is an apocalyptic number.

It is an amenable number.

452040420 is an abundant number, since it is smaller than the sum of its proper divisors (911037660).

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

452040420 is a wasteful number, since it uses less digits than its factorization.

452040420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579564 (or 579562 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 452040420 is about 21261.2422026560. The cubic root of 452040420 is about 767.4659033401.

Adding to 452040420 its reverse (24040254), we get a palindrome (476080674).

The spelling of 452040420 in words is "four hundred fifty-two million, forty thousand, four hundred twenty".