26051896836 has 315 divisors, whose sum is σ = 81071396133. Its totient is φ = 7321376160.

The previous prime is 26051896831. The next prime is 26051896861. The reversal of 26051896836 is 63869815062.

It is a happy number.

The square root of 26051896836 is 161406.

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

26051896836 is a `hidden beast` number, since 2 + 6 + 0 + 518 + 96 + 8 + 36 = 666.

It can be written as a sum of positive squares in only one way, i.e., 847159236 + 25204737600 = 29106^2 + 158760^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (26051896831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 104 ways as a sum of consecutive naturals, for example, 427080246 + ... + 427080306.

Almost surely, 2^26051896836 is an apocalyptic number.

26051896836 is the 161406-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26051896836

26051896836 is an abundant number, since it is smaller than the sum of its proper divisors (55019499297).

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

26051896836 is an frugal number, since it uses more digits than its factorization.

26051896836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172 (or 73 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 26051896836 in words is "twenty-six billion, fifty-one million, eight hundred ninety-six thousand, eight hundred thirty-six".