26813990410438 has 32 divisors (see below), whose sum is σ = 50528435620608. Its totient is φ = 10367261080800.

The previous prime is 26813990410423. The next prime is 26813990410489. The reversal of 26813990410438 is 83401409931862.

It is a super-2 number, since 2×26813990410438² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 664547845 + ... + 664588192.

It is an arithmetic number, because the mean of its divisors is an integer number (1579013613144).

Almost surely, 2^{26813990410438} is an apocalyptic number.

26813990410438 is a deficient number, since it is larger than the sum of its proper divisors (23714445210170).

26813990410438 is a wasteful number, since it uses less digits than its factorization.

26813990410438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329136188.

The product of its (nonzero) digits is 8957952, while the sum is 58.

The spelling of 26813990410438 in words is "twenty-six trillion, eight hundred thirteen billion, nine hundred ninety million, four hundred ten thousand, four hundred thirty-eight".