453069840 has 80 divisors (see below), whose sum is σ = 1418498496. Its totient is φ = 119616000.

The previous prime is 453069829. The next prime is 453069889. The reversal of 453069840 is 48960354.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14895 + ... + 33585.

Almost surely, 2^453069840 is an apocalyptic number.

453069840 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 453069840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (709249248).

453069840 is an abundant number, since it is smaller than the sum of its proper divisors (965428656).

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

453069840 is a wasteful number, since it uses less digits than its factorization.

453069840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18808 (or 18802 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 453069840 is about 21285.4372752828. The cubic root of 453069840 is about 768.0480384448.

The spelling of 453069840 in words is "four hundred fifty-three million, sixty-nine thousand, eight hundred forty".