2500603840 has 112 divisors (see below), whose sum is σ = 7024932864. Its totient is φ = 829670400.

The previous prime is 2500603823. The next prime is 2500603843. The reversal of 2500603840 is 483060052.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 2500603799 and 2500603808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2500603843) by changing a digit.

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, 51435 + ... + 87445.

Almost surely, 2^2500603840 is an apocalyptic number.

2500603840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2500603840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3512466432).

2500603840 is an abundant number, since it is smaller than the sum of its proper divisors (4524329024).

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

2500603840 is a wasteful number, since it uses less digits than its factorization.

2500603840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36066 (or 36056 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 2500603840 is about 50006.0380354213. The cubic root of 2500603840 is about 1357.3180710965.

Adding to 2500603840 its reverse (483060052), we get a palindrome (2983663892).

The spelling of 2500603840 in words is "two billion, five hundred million, six hundred three thousand, eight hundred forty".