26345094660 has 144 divisors (see below), whose sum is σ = 84592347840. Its totient is φ = 6625301760.

The previous prime is 26345094649. The next prime is 26345094691. The reversal of 26345094660 is 6649054362.

26345094660 is a `hidden beast` number, since 2 + 634 + 5 + 0 + 9 + 4 + 6 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 165775 + ... + 283145.

It is an arithmetic number, because the mean of its divisors is an integer number (587446860).

Almost surely, 2^26345094660 is an apocalyptic number.

26345094660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26345094660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42296173920).

26345094660 is an abundant number, since it is smaller than the sum of its proper divisors (58247253180).

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

26345094660 is a wasteful number, since it uses less digits than its factorization.

26345094660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117458 (or 117453 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

The spelling of 26345094660 in words is "twenty-six billion, three hundred forty-five million, ninety-four thousand, six hundred sixty".