26618948456 has 32 divisors (see below), whose sum is σ = 50076957000. Its totient is φ = 13265150976.

The previous prime is 26618948431. The next prime is 26618948497. The reversal of 26618948456 is 65484981662.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 23736332356 + 2882616100 = 154066^2 + 53690^2 .

It is a junction number, because it is equal to n+sod(n) for n = 26618948395 and 26618948404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5107580 + ... + 5112788.

Almost surely, 2^26618948456 is an apocalyptic number.

It is an amenable number.

26618948456 is a deficient number, since it is larger than the sum of its proper divisors (23458008544).

26618948456 is a wasteful number, since it uses less digits than its factorization.

26618948456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7221 (or 7217 counting only the distinct ones).

The product of its digits is 19906560, while the sum is 59.

The spelling of 26618948456 in words is "twenty-six billion, six hundred eighteen million, nine hundred forty-eight thousand, four hundred fifty-six".