26565765000 has 80 divisors (see below), whose sum is σ = 82991496720. Its totient is φ = 7084200000.

The previous prime is 26565764999. The next prime is 26565765001. The reversal of 26565765000 is 56756562.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (26565764999) and next prime (26565765001).

It is not an unprimeable number, because it can be changed into a prime (26565765001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 870526 + ... + 900525.

It is an arithmetic number, because the mean of its divisors is an integer number (1037393709).

Almost surely, 2^26565765000 is an apocalyptic number.

26565765000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26565765000 is an abundant number, since it is smaller than the sum of its proper divisors (56425731720).

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

26565765000 is a wasteful number, since it uses less digits than its factorization.

26565765000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1771080 (or 1771061 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 42.

The spelling of 26565765000 in words is "twenty-six billion, five hundred sixty-five million, seven hundred sixty-five thousand".