2555696018 has 6 divisors (see below), whose sum is σ = 3833651271. Its totient is φ = 1277812262.

The previous prime is 2555695997. The next prime is 2555696029. The reversal of 2555696018 is 8106965552.

It can be written as a sum of positive squares in only one way, i.e., 1277848009 + 1277848009 = 35747^2 + 35747^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=35747.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 53621 + ... + 89367.

Almost surely, 2^2555696018 is an apocalyptic number.

2555696018 is a deficient number, since it is larger than the sum of its proper divisors (1277955253).

2555696018 is an frugal number, since it uses more digits than its factorization.

2555696018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71496 (or 35749 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 47.

The square root of 2555696018 is about 50553.8922141510. The cubic root of 2555696018 is about 1367.2136912959.

The spelling of 2555696018 in words is "two billion, five hundred fifty-five million, six hundred ninety-six thousand, eighteen".