26307348774 has 64 divisors (see below), whose sum is σ = 62137331712. Its totient is φ = 7266124800.

The previous prime is 26307348737. The next prime is 26307348797. The reversal of 26307348774 is 47784370362.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1261714 + ... + 1282394.

It is an arithmetic number, because the mean of its divisors is an integer number (970895808).

Almost surely, 2^26307348774 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26307348774, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31068665856).

26307348774 is an abundant number, since it is smaller than the sum of its proper divisors (35829982938).

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

26307348774 is a wasteful number, since it uses less digits than its factorization.

26307348774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21701.

The product of its (nonzero) digits is 4741632, while the sum is 51.

The spelling of 26307348774 in words is "twenty-six billion, three hundred seven million, three hundred forty-eight thousand, seven hundred seventy-four".