2640255535326 has 16 divisors (see below), whose sum is σ = 5282203037328. Its totient is φ = 879803184000.

The previous prime is 2640255535303. The next prime is 2640255535349. The reversal of 2640255535326 is 6235355520462.

It is an interprime number because it is at equal distance from previous prime (2640255535303) and next prime (2640255535349).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70478325 + ... + 70515776.

It is an arithmetic number, because the mean of its divisors is an integer number (330137689833).

Almost surely, 2^{2640255535326} is an apocalyptic number.

2640255535326 is an abundant number, since it is smaller than the sum of its proper divisors (2641947502002).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2640255535326 is a wasteful number, since it uses less digits than its factorization.

2640255535326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140997227.

The product of its (nonzero) digits is 6480000, while the sum is 48.

The spelling of 2640255535326 in words is "two trillion, six hundred forty billion, two hundred fifty-five million, five hundred thirty-five thousand, three hundred twenty-six".