453879040 has 72 divisors (see below), whose sum is σ = 1105194888. Its totient is φ = 178544640.

The previous prime is 453879031. The next prime is 453879059. The reversal of 453879040 is 40978354.

It can be written as a sum of positive squares in 4 ways, for example, as 6471936 + 447407104 = 2544^2 + 21152^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 453878984 and 453879002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75174 + ... + 80986.

It is an arithmetic number, because the mean of its divisors is an integer number (15349929).

Almost surely, 2^453879040 is an apocalyptic number.

453879040 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 453879040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (552597444).

453879040 is an abundant number, since it is smaller than the sum of its proper divisors (651315848).

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

453879040 is an equidigital number, since it uses as much as digits as its factorization.

453879040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5895 (or 5881 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 453879040 is about 21304.4370965299. The cubic root of 453879040 is about 768.5050208453.

The spelling of 453879040 in words is "four hundred fifty-three million, eight hundred seventy-nine thousand, forty".