452032440 has 32 divisors (see below), whose sum is σ = 1356097680. Its totient is φ = 120541952.

The previous prime is 452032423. The next prime is 452032481. The reversal of 452032440 is 44230254.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 452032440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1883349 + ... + 1883588.

Almost surely, 2^452032440 is an apocalyptic number.

452032440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

452032440 is an abundant number, since it is smaller than the sum of its proper divisors (904065240).

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

452032440 is a wasteful number, since it uses less digits than its factorization.

452032440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3766951 (or 3766947 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 452032440 is about 21261.0545364053. The cubic root of 452032440 is about 767.4613872145.

Adding to 452032440 its reverse (44230254), we get a palindrome (496262694).

The spelling of 452032440 in words is "four hundred fifty-two million, thirty-two thousand, four hundred forty".