2540086231 has 8 divisors (see below), whose sum is σ = 2719094400. Its totient is φ = 2365610040.

The previous prime is 2540086181. The next prime is 2540086279. The reversal of 2540086231 is 1326800452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2540086231 - 2⁷ = 2540086103 is a prime.

It is a super-2 number, since 2×2540086231² = 12904076121831570722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2540086193 and 2540086202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2540086531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1131835 + ... + 1134076.

It is an arithmetic number, because the mean of its divisors is an integer number (339886800).

Almost surely, 2^2540086231 is an apocalyptic number.

2540086231 is a deficient number, since it is larger than the sum of its proper divisors (179008169).

2540086231 is a wasteful number, since it uses less digits than its factorization.

2540086231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2265989.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 2540086231 is about 50399.2681593691. The cubic root of 2540086231 is about 1364.4244297915.

Adding to 2540086231 its reverse (1326800452), we get a palindrome (3866886683).

The spelling of 2540086231 in words is "two billion, five hundred forty million, eighty-six thousand, two hundred thirty-one".