4539138800 has 120 divisors (see below), whose sum is σ = 12555211296. Its totient is φ = 1544785920.

The previous prime is 4539138797. The next prime is 4539138853. The reversal of 4539138800 is 88319354.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 377684 + ... + 389516.

Almost surely, 2^4539138800 is an apocalyptic number.

4539138800 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4539138800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6277605648).

4539138800 is an abundant number, since it is smaller than the sum of its proper divisors (8016072496).

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

4539138800 is a wasteful number, since it uses less digits than its factorization.

4539138800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11995 (or 11984 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 4539138800 is about 67373.1311429119. The cubic root of 4539138800 is about 1655.7362392739.

The spelling of 4539138800 in words is "four billion, five hundred thirty-nine million, one hundred thirty-eight thousand, eight hundred".