26789365040 has 40 divisors (see below), whose sum is σ = 62497906128. Its totient is φ = 10679164160.

The previous prime is 26789365013. The next prime is 26789365049. The reversal of 26789365040 is 4056398762.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 26789365040.

It is not an unprimeable number, because it can be changed into a prime (26789365049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 548006 + ... + 594885.

Almost surely, 2^26789365040 is an apocalyptic number.

26789365040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26789365040 is an abundant number, since it is smaller than the sum of its proper divisors (35708541088).

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

26789365040 is a wasteful number, since it uses less digits than its factorization.

26789365040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143197 (or 1143191 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 50.

The spelling of 26789365040 in words is "twenty-six billion, seven hundred eighty-nine million, three hundred sixty-five thousand, forty".