26403515343352 has 64 divisors (see below), whose sum is σ = 56804757880320. Its totient is φ = 11270664010368.

The previous prime is 26403515343323. The next prime is 26403515343383. The reversal of 26403515343352 is 25334351530462.

It is a happy number.

It is a congruent number.

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, 40738743 + ... + 41381785.

It is an arithmetic number, because the mean of its divisors is an integer number (887574341880).

Almost surely, 2^{26403515343352} is an apocalyptic number.

It is an amenable number.

26403515343352 is an abundant number, since it is smaller than the sum of its proper divisors (30401242536968).

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

26403515343352 is a wasteful number, since it uses less digits than its factorization.

26403515343352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645980 (or 645976 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 46.

The spelling of 26403515343352 in words is "twenty-six trillion, four hundred three billion, five hundred fifteen million, three hundred forty-three thousand, three hundred fifty-two".