26790208704 has 224 divisors, whose sum is σ = 90589160960. Its totient is φ = 7605052416.

The previous prime is 26790208651. The next prime is 26790208741. The reversal of 26790208704 is 40780209762.

It is a tau number, because it is divible by the number of its divisors (224).

It is a self number, because there is not a number n which added to its sum of digits gives 26790208704.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1892019 + ... + 1906125.

Almost surely, 2^26790208704 is an apocalyptic number.

26790208704 is a gapful number since it is divisible by the number (24) 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 26790208704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45294580480).

26790208704 is an abundant number, since it is smaller than the sum of its proper divisors (63798952256).

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

26790208704 is a wasteful number, since it uses less digits than its factorization.

26790208704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14292 (or 14276 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 26790208704 in words is "twenty-six billion, seven hundred ninety million, two hundred eight thousand, seven hundred four".