453031040 has 256 divisors, whose sum is σ = 1401235200. Its totient is φ = 135905280.

The previous prime is 453031027. The next prime is 453031043. The reversal of 453031040 is 40130354.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (453031043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1428962 + ... + 1429278.

It is an arithmetic number, because the mean of its divisors is an integer number (5473575).

Almost surely, 2^453031040 is an apocalyptic number.

453031040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 453031040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (700617600).

453031040 is an abundant number, since it is smaller than the sum of its proper divisors (948204160).

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

453031040 is a wasteful number, since it uses less digits than its factorization.

453031040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383 (or 371 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 453031040 is about 21284.5258345118. The cubic root of 453031040 is about 768.0261131167.

Adding to 453031040 its reverse (40130354), we get a palindrome (493161394).

The spelling of 453031040 in words is "four hundred fifty-three million, thirty-one thousand, forty".