453242040 has 64 divisors (see below), whose sum is σ = 1362368160. Its totient is φ = 120629760.

The previous prime is 453242021. The next prime is 453242077. The reversal of 453242040 is 40242354.

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 453242040.

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, 63450 + ... + 70230.

Almost surely, 2^453242040 is an apocalyptic number.

453242040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

453242040 is an abundant number, since it is smaller than the sum of its proper divisors (909126120).

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

453242040 is a wasteful number, since it uses less digits than its factorization.

453242040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7352 (or 7348 counting only the distinct ones).

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

The square root of 453242040 is about 21289.4819100888. The cubic root of 453242040 is about 768.1453311122.

Adding to 453242040 its reverse (40242354), we get a palindrome (493484394).

The spelling of 453242040 in words is "four hundred fifty-three million, two hundred forty-two thousand, forty".