26791751340 has 72 divisors (see below), whose sum is σ = 81288370800. Its totient is φ = 7142703744.

The previous prime is 26791751323. The next prime is 26791751387. The reversal of 26791751340 is 4315719762.

26791751340 is a `hidden beast` number, since 2 + 6 + 7 + 91 + 7 + 513 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 818611 + ... + 850709.

It is an arithmetic number, because the mean of its divisors is an integer number (1129005150).

Almost surely, 2^26791751340 is an apocalyptic number.

26791751340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26791751340 is an abundant number, since it is smaller than the sum of its proper divisors (54496619460).

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

26791751340 is a wasteful number, since it uses less digits than its factorization.

26791751340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36751 (or 36746 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The spelling of 26791751340 in words is "twenty-six billion, seven hundred ninety-one million, seven hundred fifty-one thousand, three hundred forty".