27401137894 has 32 divisors (see below), whose sum is σ = 46465735680. Its totient is φ = 12031264800.

The previous prime is 27401137879. The next prime is 27401137979. The reversal of 27401137894 is 49873110472.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 240552 + ... + 335659.

It is an arithmetic number, because the mean of its divisors is an integer number (1452054240).

Almost surely, 2^27401137894 is an apocalyptic number.

27401137894 is a deficient number, since it is larger than the sum of its proper divisors (19064597786).

27401137894 is a wasteful number, since it uses less digits than its factorization.

27401137894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576316.

The product of its (nonzero) digits is 338688, while the sum is 46.

The spelling of 27401137894 in words is "twenty-seven billion, four hundred one million, one hundred thirty-seven thousand, eight hundred ninety-four".