26446755660 has 192 divisors, whose sum is σ = 82391444352. Its totient is φ = 6296223744.

The previous prime is 26446755659. The next prime is 26446755667. The reversal of 26446755660 is 6655764462.

It is not an unprimeable number, because it can be changed into a prime (26446755667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4990132 + ... + 4995428.

It is an arithmetic number, because the mean of its divisors is an integer number (429122106).

Almost surely, 2^26446755660 is an apocalyptic number.

26446755660 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 26446755660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41195722176).

26446755660 is an abundant number, since it is smaller than the sum of its proper divisors (55944688692).

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

26446755660 is a wasteful number, since it uses less digits than its factorization.

26446755660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5532 (or 5530 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 51.

The spelling of 26446755660 in words is "twenty-six billion, four hundred forty-six million, seven hundred fifty-five thousand, six hundred sixty".