26240426840464 has 20 divisors (see below), whose sum is σ = 51702535937520. Its totient is φ = 12897836921120.

The previous prime is 26240426840437. The next prime is 26240426840513. The reversal of 26240426840464 is 46404862404262.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13898530222 + ... + 13898532109.

It is an arithmetic number, because the mean of its divisors is an integer number (2585126796876).

Almost surely, 2^{26240426840464} is an apocalyptic number.

It is an amenable number.

26240426840464 is a deficient number, since it is larger than the sum of its proper divisors (25462109097056).

26240426840464 is a wasteful number, since it uses less digits than its factorization.

26240426840464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27797062398 (or 27797062392 counting only the distinct ones).

The product of its (nonzero) digits is 14155776, while the sum is 52.

The spelling of 26240426840464 in words is "twenty-six trillion, two hundred forty billion, four hundred twenty-six million, eight hundred forty thousand, four hundred sixty-four".