26530534113440 has 48 divisors (see below), whose sum is σ = 71632442109312. Its totient is φ = 9096183124224.

The previous prime is 26530534113437. The next prime is 26530534113469. The reversal of 26530534113440 is 4431143503562.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 11843987324 + ... + 11843989563.

It is an arithmetic number, because the mean of its divisors is an integer number (1492342543944).

Almost surely, 2^{26530534113440} is an apocalyptic number.

26530534113440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26530534113440 is an abundant number, since it is smaller than the sum of its proper divisors (45101907995872).

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

26530534113440 is a wasteful number, since it uses less digits than its factorization.

26530534113440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23687976909 (or 23687976901 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 41.

The spelling of 26530534113440 in words is "twenty-six trillion, five hundred thirty billion, five hundred thirty-four million, one hundred thirteen thousand, four hundred forty".