454563840 has 96 divisors (see below), whose sum is σ = 1454347440. Its totient is φ = 121208832.

The previous prime is 454563839. The next prime is 454563871. The reversal of 454563840 is 48365454.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23322 + ... + 38118.

Almost surely, 2^454563840 is an apocalyptic number.

454563840 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 454563840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (727173720).

454563840 is an abundant number, since it is smaller than the sum of its proper divisors (999783600).

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

454563840 is a wasteful number, since it uses less digits than its factorization.

454563840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14827 (or 14807 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 39.

The square root of 454563840 is about 21320.5028083298. The cubic root of 454563840 is about 768.8913262546.

The spelling of 454563840 in words is "four hundred fifty-four million, five hundred sixty-three thousand, eight hundred forty".