2555181036 has 36 divisors (see below), whose sum is σ = 6479333952. Its totient is φ = 849036384.

The previous prime is 2555181023. The next prime is 2555181043. The reversal of 2555181036 is 6301815552.

It is a happy number.

2555181036 is a `hidden beast` number, since 25 + 551 + 81 + 0 + 3 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100540 + ... + 123363.

Almost surely, 2^2555181036 is an apocalyptic number.

It is an amenable number.

2555181036 is an abundant number, since it is smaller than the sum of its proper divisors (3924152916).

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

2555181036 is a wasteful number, since it uses less digits than its factorization.

2555181036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224230 (or 224225 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The square root of 2555181036 is about 50548.7985613902. The cubic root of 2555181036 is about 1367.1218522909.

Adding to 2555181036 its reverse (6301815552), we get a palindrome (8856996588).

The spelling of 2555181036 in words is "two billion, five hundred fifty-five million, one hundred eighty-one thousand, thirty-six".