26404083216 has 200 divisors, whose sum is σ = 88570652544. Its totient is φ = 7437588480.

The previous prime is 26404083193. The next prime is 26404083259. The reversal of 26404083216 is 61238040462.

26404083216 is a `hidden beast` number, since 2 + 640 + 4 + 0 + 8 + 3 + 2 + 1 + 6 = 666.

It is a super-2 number, since 2×26404083216² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 623616 + ... + 664608.

Almost surely, 2^26404083216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26404083216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44285326272).

26404083216 is an abundant number, since it is smaller than the sum of its proper divisors (62166569328).

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

26404083216 is a wasteful number, since it uses less digits than its factorization.

26404083216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41091 (or 41076 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The spelling of 26404083216 in words is "twenty-six billion, four hundred four million, eighty-three thousand, two hundred sixteen".