2640015133 has 8 divisors (see below), whose sum is σ = 3090749760. Its totient is φ = 2207677920.

The previous prime is 2640015109. The next prime is 2640015163. The reversal of 2640015133 is 3315100462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-2640015133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2640015098 and 2640015107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2640015163) 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, 4599043 + ... + 4599616.

It is an arithmetic number, because the mean of its divisors is an integer number (386343720).

Almost surely, 2^2640015133 is an apocalyptic number.

It is an amenable number.

2640015133 is a deficient number, since it is larger than the sum of its proper divisors (450734627).

2640015133 is an equidigital number, since it uses as much as digits as its factorization.

2640015133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9198707.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 2640015133 is about 51381.0775772560. The cubic root of 2640015133 is about 1382.0872867910.

Adding to 2640015133 its reverse (3315100462), we get a palindrome (5955115595).

The spelling of 2640015133 in words is "two billion, six hundred forty million, fifteen thousand, one hundred thirty-three".