4242032440 has 32 divisors (see below), whose sum is σ = 10106020080. Its totient is φ = 1597000192.

The previous prime is 4242032419. The next prime is 4242032447. The reversal of 4242032440 is 442302424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4242032447) 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, 3118462 + ... + 3119821.

Almost surely, 2^4242032440 is an apocalyptic number.

4242032440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4242032440 is an abundant number, since it is smaller than the sum of its proper divisors (5863987640).

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

4242032440 is a wasteful number, since it uses less digits than its factorization.

4242032440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6238311 (or 6238307 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 4242032440 is about 65130.8869892004. The cubic root of 4242032440 is about 1618.7930399254.

Adding to 4242032440 its reverse (442302424), we get a palindrome (4684334864).

The spelling of 4242032440 in words is "four billion, two hundred forty-two million, thirty-two thousand, four hundred forty".