26535174540 has 192 divisors, whose sum is σ = 90039527424. Its totient is φ = 5700022272.

The previous prime is 26535174511. The next prime is 26535174553. The reversal of 26535174540 is 4547153562.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 26535174492 and 26535174501.

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 63 ways as a sum of consecutive naturals, for example, 5688249 + ... + 5692911.

It is an arithmetic number, because the mean of its divisors is an integer number (468955872).

Almost surely, 2^26535174540 is an apocalyptic number.

26535174540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26535174540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45019763712).

26535174540 is an abundant number, since it is smaller than the sum of its proper divisors (63504352884).

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

26535174540 is a wasteful number, since it uses less digits than its factorization.

26535174540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5496 (or 5494 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 42.

The spelling of 26535174540 in words is "twenty-six billion, five hundred thirty-five million, one hundred seventy-four thousand, five hundred forty".