2500004728 has 16 divisors (see below), whose sum is σ = 5048086680. Its totient is φ = 1153848288.

The previous prime is 2500004719. The next prime is 2500004747. The reversal of 2500004728 is 8274000052.

It is a junction number, because it is equal to n+sod(n) for n = 2500004696 and 2500004705.

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 3 ways as a sum of consecutive naturals, for example, 12019150 + ... + 12019357.

Almost surely, 2^2500004728 is an apocalyptic number.

It is an amenable number.

2500004728 is an abundant number, since it is smaller than the sum of its proper divisors (2548081952).

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

2500004728 is a wasteful number, since it uses less digits than its factorization.

2500004728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24038526 (or 24038522 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 2500004728 is about 50000.0472799776. The cubic root of 2500004728 is about 1357.2096638813.

The spelling of 2500004728 in words is "two billion, five hundred million, four thousand, seven hundred twenty-eight".