26405130356 has 24 divisors (see below), whose sum is σ = 50508874080. Its totient is φ = 11978741600.

The previous prime is 26405130347. The next prime is 26405130361. The reversal of 26405130356 is 65303150462.

It is a congruent 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, 567110 + ... + 611901.

It is an arithmetic number, because the mean of its divisors is an integer number (2104536420).

Almost surely, 2^26405130356 is an apocalyptic number.

It is an amenable number.

26405130356 is a deficient number, since it is larger than the sum of its proper divisors (24103743724).

26405130356 is a wasteful number, since it uses less digits than its factorization.

26405130356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1179535 (or 1179533 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

The spelling of 26405130356 in words is "twenty-six billion, four hundred five million, one hundred thirty thousand, three hundred fifty-six".