452530440 has 48 divisors (see below), whose sum is σ = 1470725100. Its totient is φ = 120674688.

The previous prime is 452530427. The next prime is 452530453. The reversal of 452530440 is 44035254.

It is an interprime number because it is at equal distance from previous prime (452530427) and next prime (452530453).

It can be written as a sum of positive squares in 2 ways, for example, as 436224996 + 16305444 = 20886^2 + 4038^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 628155 + ... + 628874.

Almost surely, 2^452530440 is an apocalyptic number.

452530440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

452530440 is an abundant number, since it is smaller than the sum of its proper divisors (1018194660).

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

452530440 is a wasteful number, since it uses less digits than its factorization.

452530440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257046 (or 1257039 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 452530440 is about 21272.7628671031. The cubic root of 452530440 is about 767.7431188404.

Adding to 452530440 its reverse (44035254), we get a palindrome (496565694).

The spelling of 452530440 in words is "four hundred fifty-two million, five hundred thirty thousand, four hundred forty".