2640241330 has 32 divisors (see below), whose sum is σ = 5124591360. Its totient is φ = 976106880.

The previous prime is 2640241319. The next prime is 2640241361. The reversal of 2640241330 is 331420462.

It is a junction number, because it is equal to n+sod(n) for n = 2640241295 and 2640241304.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161674 + ... + 177253.

It is an arithmetic number, because the mean of its divisors is an integer number (160143480).

Almost surely, 2^2640241330 is an apocalyptic number.

2640241330 is a deficient number, since it is larger than the sum of its proper divisors (2484350030).

2640241330 is a wasteful number, since it uses less digits than its factorization.

2640241330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338994.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 2640241330 is about 51383.2787003710. The cubic root of 2640241330 is about 1382.1267581645.

Adding to 2640241330 its reverse (331420462), we get a palindrome (2971661792).

The spelling of 2640241330 in words is "two billion, six hundred forty million, two hundred forty-one thousand, three hundred thirty".