3115450240 has 128 divisors (see below), whose sum is σ = 8673117120. Its totient is φ = 1047920640.

The previous prime is 3115450213. The next prime is 3115450279. The reversal of 3115450240 is 420545113.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230880 + ... + 244000.

Almost surely, 2^3115450240 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 3115450240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4336558560).

3115450240 is an abundant number, since it is smaller than the sum of its proper divisors (5557666880).

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

3115450240 is a wasteful number, since it uses less digits than its factorization.

3115450240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13200 (or 13188 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 3115450240 is about 55816.2184315634. The cubic root of 3115450240 is about 1460.5180872281.

Adding to 3115450240 its reverse (420545113), we get a palindrome (3535995353).

The spelling of 3115450240 in words is "three billion, one hundred fifteen million, four hundred fifty thousand, two hundred forty".