2539685044 has 48 divisors (see below), whose sum is σ = 5045999616. Its totient is φ = 1110182400.

The previous prime is 2539684999. The next prime is 2539685059. The reversal of 2539685044 is 4405869352.

It is a junction number, because it is equal to n+sod(n) for n = 2539684985 and 2539685003.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 59004 + ... + 92524.

It is an arithmetic number, because the mean of its divisors is an integer number (105124992).

Almost surely, 2^2539685044 is an apocalyptic number.

It is an amenable number.

2539685044 is a deficient number, since it is larger than the sum of its proper divisors (2506314572).

2539685044 is a wasteful number, since it uses less digits than its factorization.

2539685044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33616 (or 33614 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 46.

The square root of 2539685044 is about 50395.2879146454. The cubic root of 2539685044 is about 1364.3525925761.

The spelling of 2539685044 in words is "two billion, five hundred thirty-nine million, six hundred eighty-five thousand, forty-four".