26780033760 has 96 divisors (see below), whose sum is σ = 87266017440. Its totient is φ = 6895085568.

The previous prime is 26780033741. The next prime is 26780033771. The reversal of 26780033760 is 6733008762.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 948007 + ... + 975846.

It is an arithmetic number, because the mean of its divisors is an integer number (909021015).

Almost surely, 2^26780033760 is an apocalyptic number.

26780033760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26780033760 is an abundant number, since it is smaller than the sum of its proper divisors (60485983680).

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

26780033760 is a wasteful number, since it uses less digits than its factorization.

26780033760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1923900 (or 1923892 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 42.

The spelling of 26780033760 in words is "twenty-six billion, seven hundred eighty million, thirty-three thousand, seven hundred sixty".