455030240 has 96 divisors (see below), whose sum is σ = 1293304320. Its totient is φ = 147792384.

The previous prime is 455030227. The next prime is 455030249. The reversal of 455030240 is 42030554.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455030249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10589 + ... + 31971.

It is an arithmetic number, because the mean of its divisors is an integer number (13471920).

Almost surely, 2^455030240 is an apocalyptic number.

455030240 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 455030240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (646652160).

455030240 is an abundant number, since it is smaller than the sum of its proper divisors (838274080).

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

455030240 is a wasteful number, since it uses less digits than its factorization.

455030240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21424 (or 21416 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 455030240 is about 21331.4378324575. The cubic root of 455030240 is about 769.1542070671.

Adding to 455030240 its reverse (42030554), we get a palindrome (497060794).

The spelling of 455030240 in words is "four hundred fifty-five million, thirty thousand, two hundred forty".