2640518022 has 16 divisors (see below), whose sum is σ = 5281634880. Its totient is φ = 880072872.

The previous prime is 2640518009. The next prime is 2640518029. The reversal of 2640518022 is 2208150462.

2640518022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2640518029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49429 + ... + 87887.

It is an arithmetic number, because the mean of its divisors is an integer number (330102180).

Almost surely, 2^2640518022 is an apocalyptic number.

2640518022 is an abundant number, since it is smaller than the sum of its proper divisors (2641116858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2640518022 is a wasteful number, since it uses less digits than its factorization.

2640518022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49907.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 2640518022 is about 51385.9710621489. The cubic root of 2640518022 is about 1382.1750378494.

Adding to 2640518022 its reverse (2208150462), we get a palindrome (4848668484).

The spelling of 2640518022 in words is "two billion, six hundred forty million, five hundred eighteen thousand, twenty-two".