2255452440432 has 80 divisors (see below), whose sum is σ = 6084019431168. Its totient is φ = 718644326400.

The previous prime is 2255452440421. The next prime is 2255452440433. The reversal of 2255452440432 is 2340442545522.

It is a super-2 number, since 2×2255452440432² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2255452440433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 948432 + ... + 2326032.

Almost surely, 2^{2255452440432} 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 2255452440432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3042009715584).

2255452440432 is an abundant number, since it is smaller than the sum of its proper divisors (3828566990736).

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

2255452440432 is a wasteful number, since it uses less digits than its factorization.

2255452440432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379118 (or 1379112 counting only the distinct ones).

The product of its (nonzero) digits is 1536000, while the sum is 42.

Adding to 2255452440432 its reverse (2340442545522), we get a palindrome (4595894985954).

The spelling of 2255452440432 in words is "two trillion, two hundred fifty-five billion, four hundred fifty-two million, four hundred forty thousand, four hundred thirty-two".