4539887436 has 144 divisors (see below), whose sum is σ = 13017231360. Its totient is φ = 1224478080.

The previous prime is 4539887393. The next prime is 4539887441. The reversal of 4539887436 is 6347889354.

It is a super-2 number, since 2×4539887436² = 41221155863101308192, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4278346 + ... + 4279406.

It is an arithmetic number, because the mean of its divisors is an integer number (90397440).

Almost surely, 2^4539887436 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 4539887436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6508615680).

4539887436 is an abundant number, since it is smaller than the sum of its proper divisors (8477343924).

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

4539887436 is a wasteful number, since it uses less digits than its factorization.

4539887436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1484 (or 1475 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 57.

The square root of 4539887436 is about 67378.6868082185. The cubic root of 4539887436 is about 1655.8272606232.

It can be divided in two parts, 453 and 9887436, that added together give a palindrome (9887889).

The spelling of 4539887436 in words is "four billion, five hundred thirty-nine million, eight hundred eighty-seven thousand, four hundred thirty-six".