2405442432 has 32 divisors (see below), whose sum is σ = 6389457480. Its totient is φ = 801814016.

The previous prime is 2405442401. The next prime is 2405442451. The reversal of 2405442432 is 2342445042.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2405442432.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3131703 + ... + 3132470.

Almost surely, 2^2405442432 is an apocalyptic number.

It is an amenable number.

2405442432 is an abundant number, since it is smaller than the sum of its proper divisors (3984015048).

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

2405442432 is an equidigital number, since it uses as much as digits as its factorization.

2405442432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6264190 (or 6264178 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 30.

The square root of 2405442432 is about 49045.3099898451. The cubic root of 2405442432 is about 1339.8771759407.

Adding to 2405442432 its reverse (2342445042), we get a palindrome (4747887474).

The spelling of 2405442432 in words is "two billion, four hundred five million, four hundred forty-two thousand, four hundred thirty-two".