2540823774 has 16 divisors (see below), whose sum is σ = 5380568208. Its totient is φ = 797121152.

The previous prime is 2540823743. The next prime is 2540823853. The reversal of 2540823774 is 4773280452.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 12454917 + ... + 12455120.

It is an arithmetic number, because the mean of its divisors is an integer number (336285513).

Almost surely, 2^2540823774 is an apocalyptic number.

2540823774 is an abundant number, since it is smaller than the sum of its proper divisors (2839744434).

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

2540823774 is a wasteful number, since it uses less digits than its factorization.

2540823774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24910059.

The product of its (nonzero) digits is 376320, while the sum is 42.

The square root of 2540823774 is about 50406.5846293914. The cubic root of 2540823774 is about 1364.5564757422.

The spelling of 2540823774 in words is "two billion, five hundred forty million, eight hundred twenty-three thousand, seven hundred seventy-four".