2603400432 has 40 divisors (see below), whose sum is σ = 6778423296. Its totient is φ = 860965056.

The previous prime is 2603400427. The next prime is 2603400433. The reversal of 2603400432 is 2340043062.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2603400433) 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 7 ways as a sum of consecutive naturals, for example, 207438 + ... + 219629.

Almost surely, 2^2603400432 is an apocalyptic number.

It is an amenable number.

2603400432 is an abundant number, since it is smaller than the sum of its proper divisors (4175022864).

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

2603400432 is a wasteful number, since it uses less digits than its factorization.

2603400432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427205 (or 427199 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 2603400432 is about 51023.5282198321. The cubic root of 2603400432 is about 1375.6680710763.

Adding to 2603400432 its reverse (2340043062), we get a palindrome (4943443494).

The spelling of 2603400432 in words is "two billion, six hundred three million, four hundred thousand, four hundred thirty-two".