26431262050 has 12 divisors (see below), whose sum is σ = 49162147506. Its totient is φ = 10572504800.

The previous prime is 26431262027. The next prime is 26431262051. The reversal of 26431262050 is 5026213462.

It can be written as a sum of positive squares in 3 ways, for example, as 14608831689 + 11822430361 = 120867^2 + 108731^2 .

It is a super-2 number, since 2×26431262050² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26431262051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 264312571 + ... + 264312670.

Almost surely, 2^26431262050 is an apocalyptic number.

26431262050 is a deficient number, since it is larger than the sum of its proper divisors (22730885456).

26431262050 is a wasteful number, since it uses less digits than its factorization.

26431262050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528625253 (or 528625248 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The spelling of 26431262050 in words is "twenty-six billion, four hundred thirty-one million, two hundred sixty-two thousand, fifty".