2255204140 has 96 divisors (see below), whose sum is σ = 5626091520. Its totient is φ = 742957824.

The previous prime is 2255204117. The next prime is 2255204143. The reversal of 2255204140 is 414025522.

It is not an unprimeable number, because it can be changed into a prime (2255204143) 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 31 ways as a sum of consecutive naturals, for example, 920397 + ... + 922843.

It is an arithmetic number, because the mean of its divisors is an integer number (58605120).

Almost surely, 2^2255204140 is an apocalyptic number.

2255204140 is a gapful number since it is divisible by the number (20) 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 2255204140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2813045760).

2255204140 is an abundant number, since it is smaller than the sum of its proper divisors (3370887380).

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

2255204140 is a wasteful number, since it uses less digits than its factorization.

2255204140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2719 (or 2717 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 2255204140 is about 47488.9896712912. The cubic root of 2255204140 is about 1311.3801936519.

Adding to 2255204140 its reverse (414025522), we get a palindrome (2669229662).

The spelling of 2255204140 in words is "two billion, two hundred fifty-five million, two hundred four thousand, one hundred forty".