2640796207 has 16 divisors (see below), whose sum is σ = 3031132672. Its totient is φ = 2253756960.

The previous prime is 2640796199. The next prime is 2640796219. The reversal of 2640796207 is 7026970462.

It is not a de Polignac number, because 2640796207 - 2³ = 2640796199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2640796237) 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 15 ways as a sum of consecutive naturals, for example, 2415553 + ... + 2416645.

It is an arithmetic number, because the mean of its divisors is an integer number (189445792).

Almost surely, 2^2640796207 is an apocalyptic number.

2640796207 is a deficient number, since it is larger than the sum of its proper divisors (390336465).

2640796207 is a wasteful number, since it uses less digits than its factorization.

2640796207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2278.

The product of its (nonzero) digits is 254016, while the sum is 43.

The square root of 2640796207 is about 51388.6778094163. The cubic root of 2640796207 is about 1382.2235746463.

The spelling of 2640796207 in words is "two billion, six hundred forty million, seven hundred ninety-six thousand, two hundred seven".