455035450440 has 128 divisors (see below), whose sum is σ = 1382544028800. Its totient is φ = 119800719360.

The previous prime is 455035450423. The next prime is 455035450453. The reversal of 455035450440 is 44054530554.

455035450440 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×455035450440² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3613579 + ... + 3737381.

It is an arithmetic number, because the mean of its divisors is an integer number (10801125225).

Almost surely, 2^455035450440 is an apocalyptic number.

455035450440 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 455035450440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (691272014400).

455035450440 is an abundant number, since it is smaller than the sum of its proper divisors (927508578360).

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

455035450440 is a wasteful number, since it uses less digits than its factorization.

455035450440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124207 (or 124203 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 39.

Adding to 455035450440 its reverse (44054530554), we get a palindrome (499089980994).

The spelling of 455035450440 in words is "four hundred fifty-five billion, thirty-five million, four hundred fifty thousand, four hundred forty".