2555700040 has 16 divisors (see below), whose sum is σ = 5750325180. Its totient is φ = 1022280000.

The previous prime is 2555700011. The next prime is 2555700067. The reversal of 2555700040 is 400075552.

It can be written as a sum of positive squares in 2 ways, for example, as 2267854884 + 287845156 = 47622^2 + 16966^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2555699981 and 2555700008.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31946211 + ... + 31946290.

Almost surely, 2^2555700040 is an apocalyptic number.

2555700040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2555700040 is an abundant number, since it is smaller than the sum of its proper divisors (3194625140).

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

2555700040 is a wasteful number, since it uses less digits than its factorization.

2555700040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63892512 (or 63892508 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 28.

The square root of 2555700040 is about 50553.9319934661. The cubic root of 2555700040 is about 1367.2144085083.

Adding to 2555700040 its reverse (400075552), we get a palindrome (2955775592).

The spelling of 2555700040 in words is "two billion, five hundred fifty-five million, seven hundred thousand, forty".