2640224086 has 4 divisors (see below), whose sum is σ = 3960336132. Its totient is φ = 1320112042.

The previous prime is 2640224053. The next prime is 2640224087. The reversal of 2640224086 is 6804220462.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2640224087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660056020 + ... + 660056023.

It is an arithmetic number, because the mean of its divisors is an integer number (990084033).

Almost surely, 2^2640224086 is an apocalyptic number.

2640224086 is a deficient number, since it is larger than the sum of its proper divisors (1320112046).

2640224086 is a wasteful number, since it uses less digits than its factorization.

2640224086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1320112045.

The product of its (nonzero) digits is 36864, while the sum is 34.

The square root of 2640224086 is about 51383.1109023189. The cubic root of 2640224086 is about 1382.1237491661.

The spelling of 2640224086 in words is "two billion, six hundred forty million, two hundred twenty-four thousand, eighty-six".