26258257936 has 45 divisors (see below), whose sum is σ = 54066771741. Its totient is φ = 12351641856.

The previous prime is 26258257891. The next prime is 26258257943. The reversal of 26258257936 is 63975285262.

The square root of 26258257936 is 162044.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 20443280400 + 5814977536 = 142980^2 + 76256^2 .

It is a super-2 number, since 2×26258257936² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 11017801 + ... + 11020183.

Almost surely, 2^26258257936 is an apocalyptic number.

26258257936 is the 162044-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26258257936

26258257936 is an abundant number, since it is smaller than the sum of its proper divisors (27808513805).

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

26258257936 is an frugal number, since it uses more digits than its factorization.

26258257936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4808 (or 2402 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 55.

The spelling of 26258257936 in words is "twenty-six billion, two hundred fifty-eight million, two hundred fifty-seven thousand, nine hundred thirty-six".