26213876538 has 32 divisors (see below), whose sum is σ = 54221045760. Its totient is φ = 8443783920.

The previous prime is 26213876501. The next prime is 26213876567. The reversal of 26213876538 is 83567831262.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 566058 + ... + 610613.

It is an arithmetic number, because the mean of its divisors is an integer number (1694407680).

Almost surely, 2^26213876538 is an apocalyptic number.

26213876538 is an abundant number, since it is smaller than the sum of its proper divisors (28007169222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26213876538 is a wasteful number, since it uses less digits than its factorization.

26213876538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1176802.

The product of its digits is 2903040, while the sum is 51.

The spelling of 26213876538 in words is "twenty-six billion, two hundred thirteen million, eight hundred seventy-six thousand, five hundred thirty-eight".