2640060055 has 4 divisors (see below), whose sum is σ = 3168072072. Its totient is φ = 2112048040.

The previous prime is 2640060047. The next prime is 2640060061. The reversal of 2640060055 is 5500600462.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2640060055 - 2³ = 2640060047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264006001 + ... + 264006010.

It is an arithmetic number, because the mean of its divisors is an integer number (792018018).

Almost surely, 2^2640060055 is an apocalyptic number.

2640060055 is a deficient number, since it is larger than the sum of its proper divisors (528012017).

2640060055 is an equidigital number, since it uses as much as digits as its factorization.

2640060055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528012016.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 2640060055 is about 51381.5147207631. The cubic root of 2640060055 is about 1382.0951258588.

The spelling of 2640060055 in words is "two billion, six hundred forty million, sixty thousand, fifty-five".