2640404624006 has 16 divisors (see below), whose sum is σ = 3970665800640. Its totient is φ = 1316850699840.

The previous prime is 2640404623993. The next prime is 2640404624017. The reversal of 2640404624006 is 6004264040462.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3629450 + ... + 4295778.

It is an arithmetic number, because the mean of its divisors is an integer number (248166612540).

Almost surely, 2^{2640404624006} is an apocalyptic number.

2640404624006 is a deficient number, since it is larger than the sum of its proper divisors (1330261176634).

2640404624006 is a wasteful number, since it uses less digits than its factorization.

2640404624006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671359.

The product of its (nonzero) digits is 221184, while the sum is 38.

Adding to 2640404624006 its reverse (6004264040462), we get a palindrome (8644668664468).

The spelling of 2640404624006 in words is "two trillion, six hundred forty billion, four hundred four million, six hundred twenty-four thousand, six".