2940744065 has 72 divisors (see below), whose sum is σ = 4471484472. Its totient is φ = 1849774080.

The previous prime is 2940744049. The next prime is 2940744067. The reversal of 2940744065 is 5604470492.

It can be written as a sum of positive squares in 12 ways, for example, as 1574184976 + 1366559089 = 39676^2 + 36967^2 .

It is not a de Polignac number, because 2940744065 - 2⁴ = 2940744049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (2940744067) by changing a digit.

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 71 ways as a sum of consecutive naturals, for example, 2902499 + ... + 2903511.

It is an arithmetic number, because the mean of its divisors is an integer number (62103951).

Almost surely, 2^2940744065 is an apocalyptic number.

It is an amenable number.

2940744065 is a deficient number, since it is larger than the sum of its proper divisors (1530740407).

2940744065 is a wasteful number, since it uses less digits than its factorization.

2940744065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107 (or 1083 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 41.

The square root of 2940744065 is about 54228.6277255842. The cubic root of 2940744065 is about 1432.6905943134.

The spelling of 2940744065 in words is "two billion, nine hundred forty million, seven hundred forty-four thousand, sixty-five".