454240340 has 96 divisors (see below), whose sum is σ = 1090817280. Its totient is φ = 157853696.

The previous prime is 454240313. The next prime is 454240349. The reversal of 454240340 is 43042454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454240349) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 225779 + ... + 227781.

It is an arithmetic number, because the mean of its divisors is an integer number (11362680).

Almost surely, 2^454240340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 454240340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (545408640).

454240340 is an abundant number, since it is smaller than the sum of its proper divisors (636576940).

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

454240340 is a wasteful number, since it uses less digits than its factorization.

454240340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2081 (or 2079 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 454240340 is about 21312.9148639974. The cubic root of 454240340 is about 768.7088836934.

Adding to 454240340 its reverse (43042454), we get a palindrome (497282794).

The spelling of 454240340 in words is "four hundred fifty-four million, two hundred forty thousand, three hundred forty".