2765440195 has 12 divisors (see below), whose sum is σ = 3860329104. Its totient is φ = 1896301680.

The previous prime is 2765440193. The next prime is 2765440247. The reversal of 2765440195 is 5910445672.

It is not a de Polignac number, because 2765440195 - 2¹ = 2765440193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2765440193) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5643511 + ... + 5644000.

It is an arithmetic number, because the mean of its divisors is an integer number (321694092).

Almost surely, 2^2765440195 is an apocalyptic number.

2765440195 is a deficient number, since it is larger than the sum of its proper divisors (1094888909).

2765440195 is a wasteful number, since it uses less digits than its factorization.

2765440195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11287530 (or 11287523 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 43.

The square root of 2765440195 is about 52587.4528285978. The cubic root of 2765440195 is about 1403.6368359319.

The spelling of 2765440195 in words is "two billion, seven hundred sixty-five million, four hundred forty thousand, one hundred ninety-five".