2640064486 has 8 divisors (see below), whose sum is σ = 3960774000. Its totient is φ = 1319806488.

The previous prime is 2640064463. The next prime is 2640064489. The reversal of 2640064486 is 6844600462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2640064489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97861 + ... + 121888.

It is an arithmetic number, because the mean of its divisors is an integer number (495096750).

Almost surely, 2^2640064486 is an apocalyptic number.

2640064486 is a deficient number, since it is larger than the sum of its proper divisors (1320709514).

2640064486 is a wasteful number, since it uses less digits than its factorization.

2640064486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225758.

The product of its (nonzero) digits is 221184, while the sum is 40.

The square root of 2640064486 is about 51381.5578393649. The cubic root of 2640064486 is about 1382.0958990811.

The spelling of 2640064486 in words is "two billion, six hundred forty million, sixty-four thousand, four hundred eighty-six".