4432415540 has 72 divisors (see below), whose sum is σ = 10863320832. Its totient is φ = 1514694720.

The previous prime is 4432415539. The next prime is 4432415543. The reversal of 4432415540 is 455142344.

It is a junction number, because it is equal to n+sod(n) for n = 4432415497 and 4432415506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4432415543) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 297509 + ... + 312051.

It is an arithmetic number, because the mean of its divisors is an integer number (150879456).

Almost surely, 2^4432415540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4432415540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5431660416).

4432415540 is an abundant number, since it is smaller than the sum of its proper divisors (6430905292).

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

4432415540 is a wasteful number, since it uses less digits than its factorization.

4432415540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14877 (or 14868 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

The square root of 4432415540 is about 66576.3887575768. The cubic root of 4432415540 is about 1642.6567512243.

Adding to 4432415540 its reverse (455142344), we get a palindrome (4887557884).

The spelling of 4432415540 in words is "four billion, four hundred thirty-two million, four hundred fifteen thousand, five hundred forty".