2506440304 has 40 divisors (see below), whose sum is σ = 5047690320. Its totient is φ = 1204224000.

The previous prime is 2506440289. The next prime is 2506440353. The reversal of 2506440304 is 4030446052.

2506440304 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2506440304² = 12564485995031224832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85104 + ... + 110704.

It is an arithmetic number, because the mean of its divisors is an integer number (126192258).

Almost surely, 2^2506440304 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 2506440304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2523845160).

2506440304 is an abundant number, since it is smaller than the sum of its proper divisors (2541250016).

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

2506440304 is a wasteful number, since it uses less digits than its factorization.

2506440304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25849 (or 25843 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 2506440304 is about 50064.3616158241. The cubic root of 2506440304 is about 1358.3732539269.

Adding to 2506440304 its reverse (4030446052), we get a palindrome (6536886356).

The spelling of 2506440304 in words is "two billion, five hundred six million, four hundred forty thousand, three hundred four".