4026640246655 has 32 divisors (see below), whose sum is σ = 5216302291200. Its totient is φ = 2966297241600.

The previous prime is 4026640246649. The next prime is 4026640246663. The reversal of 4026640246655 is 5566420466204.

It is not a de Polignac number, because 4026640246655 - 2¹⁴ = 4026640230271 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 126413171 + ... + 126445019.

It is an arithmetic number, because the mean of its divisors is an integer number (163009446600).

Almost surely, 2^{4026640246655} is an apocalyptic number.

4026640246655 is a deficient number, since it is larger than the sum of its proper divisors (1189662044545).

4026640246655 is a wasteful number, since it uses less digits than its factorization.

4026640246655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36531.

The product of its (nonzero) digits is 8294400, while the sum is 50.

The spelling of 4026640246655 in words is "four trillion, twenty-six billion, six hundred forty million, two hundred forty-six thousand, six hundred fifty-five".