26373617138 has 48 divisors (see below), whose sum is σ = 45611330688. Its totient is φ = 11406912000.

The previous prime is 26373617099. The next prime is 26373617141. The reversal of 26373617138 is 83171637362.

It is a super-2 number, since 2×26373617138² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 26373617092 and 26373617101.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1061963 + ... + 1086513.

It is an arithmetic number, because the mean of its divisors is an integer number (950236056).

Almost surely, 2^26373617138 is an apocalyptic number.

26373617138 is a deficient number, since it is larger than the sum of its proper divisors (19237713550).

26373617138 is a wasteful number, since it uses less digits than its factorization.

26373617138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24791 (or 24780 counting only the distinct ones).

The product of its digits is 762048, while the sum is 47.

The spelling of 26373617138 in words is "twenty-six billion, three hundred seventy-three million, six hundred seventeen thousand, one hundred thirty-eight".