26342404775544 has 256 divisors, whose sum is σ = 79316022804480. Its totient is φ = 7184295544320.

The previous prime is 26342404775483. The next prime is 26342404775611. The reversal of 26342404775544 is 44557740424362.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 42112479 + ... + 42733425.

It is an arithmetic number, because the mean of its divisors is an integer number (309828214080).

Almost surely, 2^{26342404775544} is an apocalyptic number.

26342404775544 is a gapful number since it is divisible by the number (24) 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 26342404775544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39658011402240).

26342404775544 is an abundant number, since it is smaller than the sum of its proper divisors (52973618028936).

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

26342404775544 is a wasteful number, since it uses less digits than its factorization.

26342404775544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621290 (or 621286 counting only the distinct ones).

The product of its (nonzero) digits is 90316800, while the sum is 57.

The spelling of 26342404775544 in words is "twenty-six trillion, three hundred forty-two billion, four hundred four million, seven hundred seventy-five thousand, five hundred forty-four".