2642065756 has 24 divisors (see below), whose sum is σ = 5048144640. Its totient is φ = 1199938800.

The previous prime is 2642065717. The next prime is 2642065757. The reversal of 2642065756 is 6575602462.

It is a super-2 number, since 2×2642065756² = 13961022918055703072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2642065757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29775 + ... + 78553.

It is an arithmetic number, because the mean of its divisors is an integer number (210339360).

Almost surely, 2^2642065756 is an apocalyptic number.

It is an amenable number.

2642065756 is a deficient number, since it is larger than the sum of its proper divisors (2406078884).

2642065756 is a wasteful number, since it uses less digits than its factorization.

2642065756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50025 (or 50023 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 43.

The square root of 2642065756 is about 51401.0287445689. The cubic root of 2642065756 is about 1382.4450380852.

It can be divided in two parts, 264206 and 5756, that added together give a palindrome (269962).

The spelling of 2642065756 in words is "two billion, six hundred forty-two million, sixty-five thousand, seven hundred fifty-six".