27540039041639 has 16 divisors (see below), whose sum is σ = 29292390413856. Its totient is φ = 25802630092800.

The previous prime is 27540039041629. The next prime is 27540039041657. The reversal of 27540039041639 is 93614093004572.

It is a cyclic number.

It is not a de Polignac number, because 27540039041639 - 2⁴ = 27540039041623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27540039041629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17279 + ... + 7421615.

It is an arithmetic number, because the mean of its divisors is an integer number (1830774400866).

Almost surely, 2^{27540039041639} is an apocalyptic number.

27540039041639 is a deficient number, since it is larger than the sum of its proper divisors (1752351372217).

27540039041639 is a wasteful number, since it uses less digits than its factorization.

27540039041639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7405346.

The product of its (nonzero) digits is 4898880, while the sum is 53.

The spelling of 27540039041639 in words is "twenty-seven trillion, five hundred forty billion, thirty-nine million, forty-one thousand, six hundred thirty-nine".