453012340 has 48 divisors (see below), whose sum is σ = 1050356160. Its totient is φ = 162740480.

The previous prime is 453012293. The next prime is 453012389. The reversal of 453012340 is 43210354.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5856 + ... + 30664.

It is an arithmetic number, because the mean of its divisors is an integer number (21882420).

Almost surely, 2^453012340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 453012340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (525178080).

453012340 is an abundant number, since it is smaller than the sum of its proper divisors (597343820).

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

453012340 is a wasteful number, since it uses less digits than its factorization.

453012340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24912 (or 24910 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 453012340 is about 21284.0865437068. The cubic root of 453012340 is about 768.0155455657.

Adding to 453012340 its reverse (43210354), we get a palindrome (496222694).

The spelling of 453012340 in words is "four hundred fifty-three million, twelve thousand, three hundred forty".