26430690643088 has 20 divisors (see below), whose sum is σ = 51209649976428. Its totient is φ = 13215297100800.

The previous prime is 26430690643081. The next prime is 26430690643109. The reversal of 26430690643088 is 88034609603462.

It can be written as a sum of positive squares in 2 ways, for example, as 24171657595024 + 2259033048064 = 4916468^2 + 1503008^2 .

It is not an unprimeable number, because it can be changed into a prime (26430690643081) 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, 1734920 + ... + 7474712.

Almost surely, 2^{26430690643088} is an apocalyptic number.

It is an amenable number.

26430690643088 is a deficient number, since it is larger than the sum of its proper divisors (24778959333340).

26430690643088 is a wasteful number, since it uses less digits than its factorization.

26430690643088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6027602 (or 6027596 counting only the distinct ones).

The product of its (nonzero) digits is 35831808, while the sum is 59.

The spelling of 26430690643088 in words is "twenty-six trillion, four hundred thirty billion, six hundred ninety million, six hundred forty-three thousand, eighty-eight".