2540044684 has 24 divisors (see below), whose sum is σ = 4542370560. Its totient is φ = 1242522384.

The previous prime is 2540044679. The next prime is 2540044691. The reversal of 2540044684 is 4864400452.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2944 + ... + 71335.

It is an arithmetic number, because the mean of its divisors is an integer number (189265440).

Almost surely, 2^2540044684 is an apocalyptic number.

It is an amenable number.

2540044684 is a deficient number, since it is larger than the sum of its proper divisors (2002325876).

2540044684 is a wasteful number, since it uses less digits than its factorization.

2540044684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74469 (or 74467 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 37.

The square root of 2540044684 is about 50398.8559790795. The cubic root of 2540044684 is about 1364.4169906673.

The spelling of 2540044684 in words is "two billion, five hundred forty million, forty-four thousand, six hundred eighty-four".