26556049415376 has 240 divisors, whose sum is σ = 81655362472320. Its totient is φ = 8006760391680.

The previous prime is 26556049415359. The next prime is 26556049415383. The reversal of 26556049415376 is 67351494065562.

26556049415376 is a `hidden beast` number, since 2 + 6 + 5 + 5 + 6 + 0 + 4 + 94 + 1 + 537 + 6 = 666.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33962770 + ... + 34735886.

It is an arithmetic number, because the mean of its divisors is an integer number (340230676968).

Almost surely, 2^{26556049415376} is an apocalyptic number.

26556049415376 is a gapful number since it is divisible by the number (26) 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 26556049415376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40827681236160).

26556049415376 is an abundant number, since it is smaller than the sum of its proper divisors (55099313056944).

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

26556049415376 is a wasteful number, since it uses less digits than its factorization.

26556049415376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773514 (or 773505 counting only the distinct ones).

The product of its (nonzero) digits is 163296000, while the sum is 63.

The spelling of 26556049415376 in words is "twenty-six trillion, five hundred fifty-six billion, forty-nine million, four hundred fifteen thousand, three hundred seventy-six".