454048240 has 80 divisors (see below), whose sum is σ = 1121633568. Its totient is φ = 170344448.

The previous prime is 454048229. The next prime is 454048249. The reversal of 454048240 is 42840454.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454048249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 765384 + ... + 765976.

Almost surely, 2^454048240 is an apocalyptic number.

454048240 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 454048240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (560816784).

454048240 is an abundant number, since it is smaller than the sum of its proper divisors (667585328).

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

454048240 is a wasteful number, since it uses less digits than its factorization.

454048240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1186 (or 1180 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 31.

The square root of 454048240 is about 21308.4077302834. The cubic root of 454048240 is about 768.6005050921.

Adding to 454048240 its reverse (42840454), we get a palindrome (496888694).

The spelling of 454048240 in words is "four hundred fifty-four million, forty-eight thousand, two hundred forty".