26496731745 has 320 divisors, whose sum is σ = 57683197440. Its totient is φ = 11496038400.

The previous prime is 26496731731. The next prime is 26496731747. The reversal of 26496731745 is 54713769462.

26496731745 is a `hidden beast` number, since 264 + 9 + 67 + 317 + 4 + 5 = 666.

It is not a de Polignac number, because 26496731745 - 2¹¹ = 26496729697 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26496731691 and 26496731700.

It is not an unprimeable number, because it can be changed into a prime (26496731747) by changing a digit.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 109944825 + ... + 109945065.

It is an arithmetic number, because the mean of its divisors is an integer number (180259992).

Almost surely, 2^26496731745 is an apocalyptic number.

It is an amenable number.

26496731745 is an abundant number, since it is smaller than the sum of its proper divisors (31186465695).

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

26496731745 is a wasteful number, since it uses less digits than its factorization.

26496731745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358 (or 349 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 54.

The spelling of 26496731745 in words is "twenty-six billion, four hundred ninety-six million, seven hundred thirty-one thousand, seven hundred forty-five".