4433432540 has 24 divisors (see below), whose sum is σ = 9343352592. Its totient is φ = 1767059840.

The previous prime is 4433432539. The next prime is 4433432579. The reversal of 4433432540 is 452343344.

It is a junction number, because it is equal to n+sod(n) for n = 4433432497 and 4433432506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388814 + ... + 400053.

It is an arithmetic number, because the mean of its divisors is an integer number (389306358).

Almost surely, 2^4433432540 is an apocalyptic number.

It is an amenable number.

4433432540 is an abundant number, since it is smaller than the sum of its proper divisors (4909920052).

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

4433432540 is a wasteful number, since it uses less digits than its factorization.

4433432540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789157 (or 789155 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 32.

The square root of 4433432540 is about 66584.0261624363. The cubic root of 4433432540 is about 1642.7823752885.

Adding to 4433432540 its reverse (452343344), we get a palindrome (4885775884).

The spelling of 4433432540 in words is "four billion, four hundred thirty-three million, four hundred thirty-two thousand, five hundred forty".