2640461453 has 16 divisors (see below), whose sum is σ = 3054437760. Its totient is φ = 2235802176.

The previous prime is 2640461429. The next prime is 2640461497. The reversal of 2640461453 is 3541640462.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2640461453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2640461353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259775 + ... + 269747.

It is an arithmetic number, because the mean of its divisors is an integer number (190902360).

Almost surely, 2^2640461453 is an apocalyptic number.

It is an amenable number.

2640461453 is a deficient number, since it is larger than the sum of its proper divisors (413976307).

2640461453 is a wasteful number, since it uses less digits than its factorization.

2640461453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10436.

The product of its (nonzero) digits is 69120, while the sum is 35.

The square root of 2640461453 is about 51385.4206268665. The cubic root of 2640461453 is about 1382.1651674607.

The spelling of 2640461453 in words is "two billion, six hundred forty million, four hundred sixty-one thousand, four hundred fifty-three".