3030240640 has 128 divisors (see below), whose sum is σ = 8309344320. Its totient is φ = 1035141120.

The previous prime is 3030240637. The next prime is 3030240643. The reversal of 3030240640 is 460420303.

It is an interprime number because it is at equal distance from previous prime (3030240637) and next prime (3030240643).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3030240643) 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, 1401160 + ... + 1403320.

Almost surely, 2^3030240640 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 3030240640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4154672160).

3030240640 is an abundant number, since it is smaller than the sum of its proper divisors (5279103680).

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

3030240640 is a wasteful number, since it uses less digits than its factorization.

3030240640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2500 (or 2488 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 3030240640 is about 55047.6215653320. The cubic root of 3030240640 is about 1447.0794388927.

Adding to 3030240640 its reverse (460420303), we get a palindrome (3490660943).

The spelling of 3030240640 in words is "three billion, thirty million, two hundred forty thousand, six hundred forty".