26840118240 has 144 divisors (see below), whose sum is σ = 98637503328. Its totient is φ = 6606793728.

The previous prime is 26840118233. The next prime is 26840118259. The reversal of 26840118240 is 4281104862.

26840118240 is a `hidden beast` number, since 2 + 6 + 8 + 401 + 1 + 8 + 240 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 26840118195 and 26840118204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 698164 + ... + 735603.

It is an arithmetic number, because the mean of its divisors is an integer number (684982662).

Almost surely, 2^26840118240 is an apocalyptic number.

26840118240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26840118240 is an abundant number, since it is smaller than the sum of its proper divisors (71797385088).

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

26840118240 is a wasteful number, since it uses less digits than its factorization.

26840118240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1433801 (or 1433790 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The spelling of 26840118240 in words is "twenty-six billion, eight hundred forty million, one hundred eighteen thousand, two hundred forty".