2403120544 has 72 divisors (see below), whose sum is σ = 5482941408. Its totient is φ = 1028029440.

The previous prime is 2403120521. The next prime is 2403120547. The reversal of 2403120544 is 4450213042.

It is a happy number.

2403120544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2403120547) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89917 + ... + 113539.

It is an arithmetic number, because the mean of its divisors is an integer number (76151964).

Almost surely, 2^2403120544 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 2403120544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2741470704).

2403120544 is an abundant number, since it is smaller than the sum of its proper divisors (3079820864).

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

2403120544 is a wasteful number, since it uses less digits than its factorization.

2403120544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23678 (or 23653 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 2403120544 is about 49021.6334285181. The cubic root of 2403120544 is about 1339.4459252311.

Adding to 2403120544 its reverse (4450213042), we get a palindrome (6853333586).

The spelling of 2403120544 in words is "two billion, four hundred three million, one hundred twenty thousand, five hundred forty-four".