26264315238 has 32 divisors (see below), whose sum is σ = 60067768320. Its totient is φ = 7499709120.

The previous prime is 26264315237. The next prime is 26264315261. The reversal of 26264315238 is 83251346262.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 26264315238.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26264315237) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 109398 + ... + 253961.

It is an arithmetic number, because the mean of its divisors is an integer number (1877117760).

Almost surely, 2^26264315238 is an apocalyptic number.

26264315238 is an abundant number, since it is smaller than the sum of its proper divisors (33803453082).

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

26264315238 is a wasteful number, since it uses less digits than its factorization.

26264315238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365092.

The product of its digits is 414720, while the sum is 42.

The spelling of 26264315238 in words is "twenty-six billion, two hundred sixty-four million, three hundred fifteen thousand, two hundred thirty-eight".