2255155644 has 24 divisors (see below), whose sum is σ = 6013748608. Its totient is φ = 644330160.

The previous prime is 2255155631. The next prime is 2255155673. The reversal of 2255155644 is 4465515522.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 13423462 + ... + 13423629.

Almost surely, 2^2255155644 is an apocalyptic number.

It is an amenable number.

2255155644 is an abundant number, since it is smaller than the sum of its proper divisors (3758592964).

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

2255155644 is a wasteful number, since it uses less digits than its factorization.

2255155644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26847105 (or 26847103 counting only the distinct ones).

The product of its digits is 240000, while the sum is 39.

The square root of 2255155644 is about 47488.4790659798. The cubic root of 2255155644 is about 1311.3707935938.

The spelling of 2255155644 in words is "two billion, two hundred fifty-five million, one hundred fifty-five thousand, six hundred forty-four".