4542521200 has 120 divisors (see below), whose sum is σ = 12776994720. Its totient is φ = 1519411200.

The previous prime is 4542521177. The next prime is 4542521231. The reversal of 4542521200 is 21252454.

It is a Harshad number since it is a multiple of its sum of digits (25).

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, 95016 + ... + 134584.

It is an arithmetic number, because the mean of its divisors is an integer number (106474956).

Almost surely, 2^4542521200 is an apocalyptic number.

4542521200 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 4542521200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6388497360).

4542521200 is an abundant number, since it is smaller than the sum of its proper divisors (8234473520).

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

4542521200 is a wasteful number, since it uses less digits than its factorization.

4542521200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39635 (or 39624 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 4542521200 is about 67398.2284633654. The cubic root of 4542521200 is about 1656.1474018325.

Adding to 4542521200 its reverse (21252454), we get a palindrome (4563773654).

The spelling of 4542521200 in words is "four billion, five hundred forty-two million, five hundred twenty-one thousand, two hundred".