2403525440 has 56 divisors (see below), whose sum is σ = 5745358080. Its totient is φ = 957721088.

The previous prime is 2403525431. The next prime is 2403525457. The reversal of 2403525440 is 445253042.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69881 + ... + 98439.

It is an arithmetic number, because the mean of its divisors is an integer number (102595680).

Almost surely, 2^2403525440 is an apocalyptic number.

2403525440 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 2403525440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2872679040).

2403525440 is an abundant number, since it is smaller than the sum of its proper divisors (3341832640).

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

2403525440 is a wasteful number, since it uses less digits than its factorization.

2403525440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28839 (or 28829 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 2403525440 is about 49025.7630231290. The cubic root of 2403525440 is about 1339.5211476806.

Adding to 2403525440 its reverse (445253042), we get a palindrome (2848778482).

The spelling of 2403525440 in words is "two billion, four hundred three million, five hundred twenty-five thousand, four hundred forty".