453880440 has 192 divisors, whose sum is σ = 1598819040. Its totient is φ = 111006720.

The previous prime is 453880423. The next prime is 453880507. The reversal of 453880440 is 44088354.

453880440 is a `hidden beast` number, since 4 + 538 + 80 + 4 + 40 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 453880395 and 453880404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1371075 + ... + 1371405.

Almost surely, 2^453880440 is an apocalyptic number.

453880440 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 453880440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (799409520).

453880440 is an abundant number, since it is smaller than the sum of its proper divisors (1144938600).

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

453880440 is a wasteful number, since it uses less digits than its factorization.

453880440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654 (or 647 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The square root of 453880440 is about 21304.4699535098. The cubic root of 453880440 is about 768.5058110014.

The spelling of 453880440 in words is "four hundred fifty-three million, eight hundred eighty thousand, four hundred forty".