2540462345 has 8 divisors (see below), whose sum is σ = 3048917760. Its totient is φ = 2032127920.

The previous prime is 2540462311. The next prime is 2540462347. The reversal of 2540462345 is 5432640452.

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

It is not a de Polignac number, because 2540462345 - 2¹⁰ = 2540461321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2540462347) 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, 25190 + ... + 75600.

It is an arithmetic number, because the mean of its divisors is an integer number (381114720).

Almost surely, 2^2540462345 is an apocalyptic number.

It is an amenable number.

2540462345 is a deficient number, since it is larger than the sum of its proper divisors (508455415).

2540462345 is a wasteful number, since it uses less digits than its factorization.

2540462345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60495.

The product of its (nonzero) digits is 115200, while the sum is 35.

The square root of 2540462345 is about 50402.9993651172. Note that the first 3 decimals coincide. The cubic root of 2540462345 is about 1364.4917705241.

The spelling of 2540462345 in words is "two billion, five hundred forty million, four hundred sixty-two thousand, three hundred forty-five".