2640460133 has 2 divisors, whose sum is σ = 2640460134. Its totient is φ = 2640460132.

The previous prime is 2640460127. The next prime is 2640460157. The reversal of 2640460133 is 3310640462.

2640460133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1552911649 + 1087548484 = 39407^2 + 32978^2 .

It is a cyclic number.

It is not a de Polignac number, because 2640460133 - 2⁴ = 2640460117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2640460096 and 2640460105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2640460103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1320230066 + 1320230067.

It is an arithmetic number, because the mean of its divisors is an integer number (1320230067).

Almost surely, 2^2640460133 is an apocalyptic number.

It is an amenable number.

2640460133 is a deficient number, since it is larger than the sum of its proper divisors (1).

2640460133 is an equidigital number, since it uses as much as digits as its factorization.

2640460133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 2640460133 is about 51385.4077827548. The cubic root of 2640460133 is about 1382.1649371400.

The spelling of 2640460133 in words is "two billion, six hundred forty million, four hundred sixty thousand, one hundred thirty-three".