26360643316642 has 8 divisors (see below), whose sum is σ = 39829585157676. Its totient is φ = 13084114930752.

The previous prime is 26360643316621. The next prime is 26360643316643. The reversal of 26360643316642 is 24661334606362.

It can be written as a sum of positive squares in 2 ways, for example, as 25910940297841 + 449703018801 = 5090279^2 + 670599^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 26360643316642.

It is not an unprimeable number, because it can be changed into a prime (26360643316643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48103363443 + ... + 48103363990.

Almost surely, 2^{26360643316642} is an apocalyptic number.

26360643316642 is a deficient number, since it is larger than the sum of its proper divisors (13468941841034).

26360643316642 is a wasteful number, since it uses less digits than its factorization.

26360643316642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96206727572.

The product of its (nonzero) digits is 13436928, while the sum is 52.

The spelling of 26360643316642 in words is "twenty-six trillion, three hundred sixty billion, six hundred forty-three million, three hundred sixteen thousand, six hundred forty-two".