2640775324 has 24 divisors (see below), whose sum is σ = 5049676800. Its totient is φ = 1198400880.

The previous prime is 2640775321. The next prime is 2640775327. The reversal of 2640775324 is 4235770462.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2640775321) and next prime (2640775327).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2640775321) 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, 21244 + ... + 75715.

It is an arithmetic number, because the mean of its divisors is an integer number (210403200).

Almost surely, 2^2640775324 is an apocalyptic number.

It is an amenable number.

2640775324 is a deficient number, since it is larger than the sum of its proper divisors (2408901476).

2640775324 is a wasteful number, since it uses less digits than its factorization.

2640775324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97593 (or 97591 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 40.

The square root of 2640775324 is about 51388.4746222341. The cubic root of 2640775324 is about 1382.2199311680.

The spelling of 2640775324 in words is "two billion, six hundred forty million, seven hundred seventy-five thousand, three hundred twenty-four".