2499103728 has 120 divisors (see below), whose sum is σ = 7836235056. Its totient is φ = 736819200.

The previous prime is 2499103727. The next prime is 2499103771. The reversal of 2499103728 is 8273019942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2499103727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37288 + ... + 79928.

Almost surely, 2^2499103728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2499103728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3918117528).

2499103728 is an abundant number, since it is smaller than the sum of its proper divisors (5337131328).

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

2499103728 is a wasteful number, since it uses less digits than its factorization.

2499103728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42703 (or 42694 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 2499103728 is about 49991.0364765525. The cubic root of 2499103728 is about 1357.0465984776.

The spelling of 2499103728 in words is "two billion, four hundred ninety-nine million, one hundred three thousand, seven hundred twenty-eight".