26190481431 has 8 divisors (see below), whose sum is σ = 35579522160. Its totient is φ = 17130880832.

The previous prime is 26190481423. The next prime is 26190481433. The reversal of 26190481431 is 13418409162.

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

It is a cyclic number.

It is not a de Polignac number, because 26190481431 - 2³ = 26190481423 is a prime.

It is a super-2 number, since 2×26190481431² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26190481431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26190481433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82359846 + ... + 82360163.

It is an arithmetic number, because the mean of its divisors is an integer number (4447440270).

Almost surely, 2^26190481431 is an apocalyptic number.

26190481431 is a deficient number, since it is larger than the sum of its proper divisors (9389040729).

26190481431 is a wasteful number, since it uses less digits than its factorization.

26190481431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164720065.

The product of its (nonzero) digits is 41472, while the sum is 39.

The spelling of 26190481431 in words is "twenty-six billion, one hundred ninety million, four hundred eighty-one thousand, four hundred thirty-one".