2403053440 has 32 divisors (see below), whose sum is σ = 5744801160. Its totient is φ = 961221120.

The previous prime is 2403053437. The next prime is 2403053447. The reversal of 2403053440 is 443503042.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2403053447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1876746 + ... + 1878025.

Almost surely, 2^2403053440 is an apocalyptic number.

2403053440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2403053440 is an abundant number, since it is smaller than the sum of its proper divisors (3341747720).

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

2403053440 is an equidigital number, since it uses as much as digits as its factorization.

2403053440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3754790 (or 3754778 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 2403053440 is about 49020.9489912221. The cubic root of 2403053440 is about 1339.4334576895.

Adding to 2403053440 its reverse (443503042), we get a palindrome (2846556482).

The spelling of 2403053440 in words is "two billion, four hundred three million, fifty-three thousand, four hundred forty".