26421361335240 has 64 divisors (see below), whose sum is σ = 79301072217600. Its totient is φ = 7042408515072.

The previous prime is 26421361335227. The next prime is 26421361335287. The reversal of 26421361335240 is 4253316312462.

It is a super-3 number, since 3×26421361335240³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26421361335192 and 26421361335201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51114285 + ... + 51628604.

It is an arithmetic number, because the mean of its divisors is an integer number (1239079253400).

Almost surely, 2^{26421361335240} is an apocalyptic number.

26421361335240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26421361335240 is an abundant number, since it is smaller than the sum of its proper divisors (52879710882360).

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

26421361335240 is a wasteful number, since it uses less digits than its factorization.

26421361335240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102745046 (or 102745042 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 42.

The spelling of 26421361335240 in words is "twenty-six trillion, four hundred twenty-one billion, three hundred sixty-one million, three hundred thirty-five thousand, two hundred forty".