455240000 has 140 divisors (see below), whose sum is σ = 1190244000. Its totient is φ = 172224000.

The previous prime is 455239987. The next prime is 455240003. The reversal of 455240000 is 42554.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455240003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 759701 + ... + 760299.

Almost surely, 2^455240000 is an apocalyptic number.

455240000 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 455240000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (595122000).

455240000 is an abundant number, since it is smaller than the sum of its proper divisors (735004000).

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

455240000 is an equidigital number, since it uses as much as digits as its factorization.

455240000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650 (or 625 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 455240000 is about 21336.3539528196. The cubic root of 455240000 is about 769.2723772365.

Adding to 455240000 its reverse (42554), we get a palindrome (455282554).

The spelling of 455240000 in words is "four hundred fifty-five million, two hundred forty thousand".