26431413412 has 12 divisors (see below), whose sum is σ = 46812262896. Its totient is φ = 13056481160.

The previous prime is 26431413403. The next prime is 26431413431. The reversal of 26431413412 is 21431413462.

It is a super-2 number, since 2×26431413412² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39806014 + ... + 39806677.

It is an arithmetic number, because the mean of its divisors is an integer number (3901021908).

Almost surely, 2^26431413412 is an apocalyptic number.

It is an amenable number.

26431413412 is a deficient number, since it is larger than the sum of its proper divisors (20380849484).

26431413412 is a wasteful number, since it uses less digits than its factorization.

26431413412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79612778 (or 79612776 counting only the distinct ones).

The product of its digits is 13824, while the sum is 31.

Adding to 26431413412 its reverse (21431413462), we get a palindrome (47862826874).

The spelling of 26431413412 in words is "twenty-six billion, four hundred thirty-one million, four hundred thirteen thousand, four hundred twelve".