454442040 has 96 divisors (see below), whose sum is σ = 1590563520. Its totient is φ = 111861504.

The previous prime is 454442003. The next prime is 454442041. The reversal of 454442040 is 40244454.

It is a happy number.

454442040 is a `hidden beast` number, since 454 + 4 + 4 + 204 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 454441995 and 454442013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454442041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43872 + ... + 53231.

It is an arithmetic number, because the mean of its divisors is an integer number (16568370).

Almost surely, 2^454442040 is an apocalyptic number.

454442040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

454442040 is an abundant number, since it is smaller than the sum of its proper divisors (1136121480).

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

454442040 is a wasteful number, since it uses less digits than its factorization.

454442040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97133 (or 97126 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 27.

The square root of 454442040 is about 21317.6462115310. The cubic root of 454442040 is about 768.8226455244.

Adding to 454442040 its reverse (40244454), we get a palindrome (494686494).

The spelling of 454442040 in words is "four hundred fifty-four million, four hundred forty-two thousand, forty".