26761473540 has 72 divisors (see below), whose sum is σ = 83795083008. Its totient is φ = 6906185280.

The previous prime is 26761473527. The next prime is 26761473569. The reversal of 26761473540 is 4537416762.

26761473540 is a `hidden beast` number, since 2 + 6 + 7 + 61 + 47 + 3 + 540 = 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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2392402 + ... + 2403561.

Almost surely, 2^26761473540 is an apocalyptic number.

26761473540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26761473540 is an abundant number, since it is smaller than the sum of its proper divisors (57033609468).

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

26761473540 is a wasteful number, since it uses less digits than its factorization.

26761473540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4796009 (or 4796004 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 45.

The spelling of 26761473540 in words is "twenty-six billion, seven hundred sixty-one million, four hundred seventy-three thousand, five hundred forty".