27750040015 has 16 divisors (see below), whose sum is σ = 35269413120. Its totient is φ = 20887902720.

The previous prime is 27750039983. The next prime is 27750040061. The reversal of 27750040015 is 51004005772.

It is not a de Polignac number, because 27750040015 - 2⁵ = 27750039983 is a prime.

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, 247810 + ... + 341920.

It is an arithmetic number, because the mean of its divisors is an integer number (2204338320).

Almost surely, 2^27750040015 is an apocalyptic number.

27750040015 is a deficient number, since it is larger than the sum of its proper divisors (7519373105).

27750040015 is a wasteful number, since it uses less digits than its factorization.

27750040015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97602.

The product of its (nonzero) digits is 9800, while the sum is 31.

Adding to 27750040015 its reverse (51004005772), we get a palindrome (78754045787).

The spelling of 27750040015 in words is "twenty-seven billion, seven hundred fifty million, forty thousand, fifteen".