26894540916 has 48 divisors (see below), whose sum is σ = 71975841280. Its totient is φ = 8675657280.

The previous prime is 26894540899. The next prime is 26894540951. The reversal of 26894540916 is 61904549862.

26894540916 is a `hidden beast` number, since 2 + 6 + 8 + 9 + 4 + 540 + 91 + 6 = 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 15 ways as a sum of consecutive naturals, for example, 4013161 + ... + 4019856.

Almost surely, 2^26894540916 is an apocalyptic number.

It is an amenable number.

26894540916 is an abundant number, since it is smaller than the sum of its proper divisors (45081300364).

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

26894540916 is a wasteful number, since it uses less digits than its factorization.

26894540916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8033061 (or 8033053 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

It can be divided in two parts, 2689 and 4540916, that added together give a triangular number (4543605 = T₃₀₁₄).

The spelling of 26894540916 in words is "twenty-six billion, eight hundred ninety-four million, five hundred forty thousand, nine hundred sixteen".