2555642706 has 16 divisors (see below), whose sum is σ = 5112912864. Its totient is φ = 851609664.

The previous prime is 2555642701. The next prime is 2555642711. The reversal of 2555642706 is 6072465552.

It is an interprime number because it is at equal distance from previous prime (2555642701) and next prime (2555642711).

It is not an unprimeable number, because it can be changed into a prime (2555642701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46900 + ... + 85503.

It is an arithmetic number, because the mean of its divisors is an integer number (319557054).

Almost surely, 2^2555642706 is an apocalyptic number.

2555642706 is an abundant number, since it is smaller than the sum of its proper divisors (2557270158).

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

2555642706 is a wasteful number, since it uses less digits than its factorization.

2555642706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135625.

The product of its (nonzero) digits is 504000, while the sum is 42.

The square root of 2555642706 is about 50553.3649325146. The cubic root of 2555642706 is about 1367.2041845050.

The spelling of 2555642706 in words is "two billion, five hundred fifty-five million, six hundred forty-two thousand, seven hundred six".