2540334263 has 8 divisors (see below), whose sum is σ = 2601908496. Its totient is φ = 2478873600.

The previous prime is 2540334253. The next prime is 2540334281. The reversal of 2540334263 is 3624330452.

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 2540334263 - 2¹⁶ = 2540268727 is a prime.

It is a super-3 number, since 3×2540334263³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2540334253) 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, 17783 + ... + 73463.

It is an arithmetic number, because the mean of its divisors is an integer number (325238562).

Almost surely, 2^2540334263 is an apocalyptic number.

2540334263 is a deficient number, since it is larger than the sum of its proper divisors (61574233).

2540334263 is a wasteful number, since it uses less digits than its factorization.

2540334263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56785.

The product of its (nonzero) digits is 51840, while the sum is 32.

The square root of 2540334263 is about 50401.7287699539. The cubic root of 2540334263 is about 1364.4688390326.

The spelling of 2540334263 in words is "two billion, five hundred forty million, three hundred thirty-four thousand, two hundred sixty-three".