2501009328 has 80 divisors (see below), whose sum is σ = 6753139200. Its totient is φ = 796088832.

The previous prime is 2501009327. The next prime is 2501009393. The reversal of 2501009328 is 8239001052.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2501009295 and 2501009304.

It is not an unprimeable number, because it can be changed into a prime (2501009327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 818748 + ... + 821796.

It is an arithmetic number, because the mean of its divisors is an integer number (84414240).

Almost surely, 2^2501009328 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 2501009328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3376569600).

2501009328 is an abundant number, since it is smaller than the sum of its proper divisors (4252129872).

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

2501009328 is a wasteful number, since it uses less digits than its factorization.

2501009328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3826 (or 3820 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 2501009328 is about 50010.0922614626. The cubic root of 2501009328 is about 1357.3914329028.

The spelling of 2501009328 in words is "two billion, five hundred one million, nine thousand, three hundred twenty-eight".