2640482408 has 32 divisors (see below), whose sum is σ = 5002394760. Its totient is φ = 1306583040.

The previous prime is 2640482407. The next prime is 2640482423. The reversal of 2640482408 is 8042840462.

It can be written as a sum of positive squares in 4 ways, for example, as 2638055044 + 2427364 = 51362^2 + 1558^2 .

It is not an unprimeable number, because it can be changed into a prime (2640482407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299828 + ... + 308508.

Almost surely, 2^2640482408 is an apocalyptic number.

It is an amenable number.

2640482408 is a deficient number, since it is larger than the sum of its proper divisors (2361912352).

2640482408 is a wasteful number, since it uses less digits than its factorization.

2640482408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9077 (or 9073 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 38.

The square root of 2640482408 is about 51385.6245267098. The cubic root of 2640482408 is about 1382.1688237906.

The spelling of 2640482408 in words is "two billion, six hundred forty million, four hundred eighty-two thousand, four hundred eight".