4433364540 has 288 divisors, whose sum is σ = 15547424256. Its totient is φ = 1011985920.

The previous prime is 4433364539. The next prime is 4433364547. The reversal of 4433364540 is 454633344.

4433364540 is a `hidden beast` number, since 4 + 4 + 3 + 3 + 3 + 645 + 4 + 0 = 666.

It is a super-2 number, since 2×4433364540² = 39309442289058823200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 4433364495 and 4433364504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4433364547) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3050454 + ... + 3051906.

It is an arithmetic number, because the mean of its divisors is an integer number (53984112).

Almost surely, 2^4433364540 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 4433364540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7773712128).

4433364540 is an abundant number, since it is smaller than the sum of its proper divisors (11114059716).

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

4433364540 is a wasteful number, since it uses less digits than its factorization.

4433364540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1569 (or 1564 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 36.

The square root of 4433364540 is about 66583.5155274937. The cubic root of 4433364540 is about 1642.7739762454.

Adding to 4433364540 its reverse (454633344), we get a palindrome (4887997884).

The spelling of 4433364540 in words is "four billion, four hundred thirty-three million, three hundred sixty-four thousand, five hundred forty".