3023115440 has 80 divisors (see below), whose sum is σ = 7698926880. Its totient is φ = 1098854400.

The previous prime is 3023115401. The next prime is 3023115449. The reversal of 3023115440 is 445113203.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (3023115449) 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, 1115 + ... + 77765.

It is an arithmetic number, because the mean of its divisors is an integer number (96236586).

Almost surely, 2^3023115440 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 3023115440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3849463440).

3023115440 is an abundant number, since it is smaller than the sum of its proper divisors (4675811440).

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

3023115440 is a wasteful number, since it uses less digits than its factorization.

3023115440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76710 (or 76704 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 3023115440 is about 54982.8649671877. The cubic root of 3023115440 is about 1445.9443450563.

Adding to 3023115440 its reverse (445113203), we get a palindrome (3468228643).

The spelling of 3023115440 in words is "three billion, twenty-three million, one hundred fifteen thousand, four hundred forty".