26280606682402 has 4 divisors (see below), whose sum is σ = 39420910023606. Its totient is φ = 13140303341200.

The previous prime is 26280606682399. The next prime is 26280606682439. The reversal of 26280606682402 is 20428660608262.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 17134210143801 + 9146396538601 = 4139349^2 + 3024301^2 .

It is a super-2 number, since 2×26280606682402² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26280606682402.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6570151670599 + ... + 6570151670602.

Almost surely, 2^{26280606682402} is an apocalyptic number.

26280606682402 is a deficient number, since it is larger than the sum of its proper divisors (13140303341204).

26280606682402 is a wasteful number, since it uses less digits than its factorization.

26280606682402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13140303341203.

The product of its (nonzero) digits is 5308416, while the sum is 52.

The spelling of 26280606682402 in words is "twenty-six trillion, two hundred eighty billion, six hundred six million, six hundred eighty-two thousand, four hundred two".