2540169231 has 8 divisors (see below), whose sum is σ = 3392129664. Its totient is φ = 1690827480.

The previous prime is 2540169217. The next prime is 2540169253. The reversal of 2540169231 is 1329610452.

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

It is not a de Polignac number, because 2540169231 - 2⁵ = 2540169199 is a prime.

It is a super-2 number, since 2×2540169231² = 12904919444238262722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2540169192 and 2540169201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2540165231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 652405 + ... + 656286.

It is an arithmetic number, because the mean of its divisors is an integer number (424016208).

Almost surely, 2^2540169231 is an apocalyptic number.

2540169231 is a deficient number, since it is larger than the sum of its proper divisors (851960433).

2540169231 is a wasteful number, since it uses less digits than its factorization.

2540169231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1309341.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 2540169231 is about 50400.0915772978. The cubic root of 2540169231 is about 1364.4392909660.

Adding to 2540169231 its reverse (1329610452), we get a palindrome (3869779683).

The spelling of 2540169231 in words is "two billion, five hundred forty million, one hundred sixty-nine thousand, two hundred thirty-one".