454240444 has 24 divisors (see below), whose sum is σ = 911848448. Its totient is φ = 193952880.

The previous prime is 454240439. The next prime is 454240447. The reversal of 454240444 is 444042454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454240447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22344 + ... + 37519.

Almost surely, 2^454240444 is an apocalyptic number.

It is an amenable number.

454240444 is an abundant number, since it is smaller than the sum of its proper divisors (457608004).

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

454240444 is a wasteful number, since it uses less digits than its factorization.

454240444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60145 (or 60143 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 31.

The square root of 454240444 is about 21312.9173038324. The cubic root of 454240444 is about 768.7089423596.

Adding to 454240444 its reverse (444042454), we get a palindrome (898282898).

The spelling of 454240444 in words is "four hundred fifty-four million, two hundred forty thousand, four hundred forty-four".