2255618090 has 16 divisors (see below), whose sum is σ = 4429213920. Its totient is φ = 820224720.

The previous prime is 2255618077. The next prime is 2255618093. The reversal of 2255618090 is 908165522.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2255618093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10252700 + ... + 10252919.

It is an arithmetic number, because the mean of its divisors is an integer number (276825870).

Almost surely, 2^2255618090 is an apocalyptic number.

2255618090 is a deficient number, since it is larger than the sum of its proper divisors (2173595830).

2255618090 is a wasteful number, since it uses less digits than its factorization.

2255618090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20505637.

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 2255618090 is about 47493.3478499884. The cubic root of 2255618090 is about 1311.4604247658.

The spelling of 2255618090 in words is "two billion, two hundred fifty-five million, six hundred eighteen thousand, ninety".