453438720 has 216 divisors, whose sum is σ = 1793291136. Its totient is φ = 103624704.

The previous prime is 453438703. The next prime is 453438757. The reversal of 453438720 is 27834354.

It is a happy number.

453438720 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77829 + ... + 83451.

Almost surely, 2^453438720 is an apocalyptic number.

453438720 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 453438720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (896645568).

453438720 is an abundant number, since it is smaller than the sum of its proper divisors (1339852416).

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

453438720 is a wasteful number, since it uses less digits than its factorization.

453438720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5657 (or 5640 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The square root of 453438720 is about 21294.1005914784. The cubic root of 453438720 is about 768.2564247904.

The spelling of 453438720 in words is "four hundred fifty-three million, four hundred thirty-eight thousand, seven hundred twenty".