26473779072 has 256 divisors, whose sum is σ = 84946579200. Its totient is φ = 8068184064.

The previous prime is 26473779061. The next prime is 26473779107. The reversal of 26473779072 is 27097737462.

26473779072 is a `hidden beast` number, since 264 + 7 + 377 + 9 + 0 + 7 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

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, 4804543 + ... + 4810049.

It is an arithmetic number, because the mean of its divisors is an integer number (331822575).

Almost surely, 2^26473779072 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 26473779072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42473289600).

26473779072 is an abundant number, since it is smaller than the sum of its proper divisors (58472800128).

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

26473779072 is a wasteful number, since it uses less digits than its factorization.

26473779072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5650 (or 5632 counting only the distinct ones).

The product of its (nonzero) digits is 6223392, while the sum is 54.

The spelling of 26473779072 in words is "twenty-six billion, four hundred seventy-three million, seven hundred seventy-nine thousand, seventy-two".