2403530400 has 144 divisors (see below), whose sum is σ = 8235410400. Its totient is φ = 607196160.

The previous prime is 2403530387. The next prime is 2403530417. The reversal of 2403530400 is 40353042.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19246 + ... + 71954.

It is an arithmetic number, because the mean of its divisors is an integer number (57190350).

Almost surely, 2^2403530400 is an apocalyptic number.

2403530400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2403530400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4117705200).

2403530400 is an abundant number, since it is smaller than the sum of its proper divisors (5831880000).

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

2403530400 is a wasteful number, since it uses less digits than its factorization.

2403530400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52751 (or 52738 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 2403530400 is about 49025.8136087511. The cubic root of 2403530400 is about 1339.5220691076.

Adding to 2403530400 its reverse (40353042), we get a palindrome (2443883442).

The spelling of 2403530400 in words is "two billion, four hundred three million, five hundred thirty thousand, four hundred".