102026132864426 has 8 divisors (see below), whose sum is σ = 156771862694244. Its totient is φ = 49768845299680.

The previous prime is 102026132864377. The next prime is 102026132864429. The reversal of 102026132864426 is 624468231620201.

It can be written as a sum of positive squares in 2 ways, for example, as 84027453889201 + 17998678975225 = 9166649^2 + 4242485^2 .

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

It is not an unprimeable number, because it can be changed into a prime (102026132864429) 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, 622110566165 + ... + 622110566328.

Almost surely, 2^{102026132864426} is an apocalyptic number.

102026132864426 is a deficient number, since it is larger than the sum of its proper divisors (54745729829818).

102026132864426 is a wasteful number, since it uses less digits than its factorization.

102026132864426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244221132536.

The product of its (nonzero) digits is 1327104, while the sum is 47.

The spelling of 102026132864426 in words is "one hundred two trillion, twenty-six billion, one hundred thirty-two million, eight hundred sixty-four thousand, four hundred twenty-six".