2540460834 has 20 divisors (see below), whose sum is σ = 5692514454. Its totient is φ = 846820224.

The previous prime is 2540460833. The next prime is 2540460893. The reversal of 2540460834 is 4380640452.

2540460834 is a `hidden beast` number, since 2 + 5 + 40 + 4 + 608 + 3 + 4 = 666.

2540460834 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2347111809 + 193349025 = 48447^2 + 13905^2 .

It is not an unprimeable number, because it can be changed into a prime (2540460833) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 7840767 + ... + 7841090.

Almost surely, 2^2540460834 is an apocalyptic number.

2540460834 is an abundant number, since it is smaller than the sum of its proper divisors (3152053620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2540460834 is a wasteful number, since it uses less digits than its factorization.

2540460834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15681871 (or 15681862 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The square root of 2540460834 is about 50402.9843759276. The cubic root of 2540460834 is about 1364.4915000028.

The spelling of 2540460834 in words is "two billion, five hundred forty million, four hundred sixty thousand, eight hundred thirty-four".