2540462361 has 4 divisors (see below), whose sum is σ = 3387283152. Its totient is φ = 1693641572.

The previous prime is 2540462359. The next prime is 2540462381. The reversal of 2540462361 is 1632640452.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2540462361 - 2¹ = 2540462359 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2540462311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 423410391 + ... + 423410396.

It is an arithmetic number, because the mean of its divisors is an integer number (846820788).

Almost surely, 2^2540462361 is an apocalyptic number.

It is an amenable number.

2540462361 is a deficient number, since it is larger than the sum of its proper divisors (846820791).

2540462361 is an equidigital number, since it uses as much as digits as its factorization.

2540462361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846820790.

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 2540462361 is about 50402.9995238379. Note that the first 3 decimals coincide. The cubic root of 2540462361 is about 1364.4917733886.

The spelling of 2540462361 in words is "two billion, five hundred forty million, four hundred sixty-two thousand, three hundred sixty-one".