4540049539200 has 1152 divisors, whose sum is σ = 20133666184320. Its totient is φ = 950259548160.

The previous prime is 4540049539199. The next prime is 4540049539241. The reversal of 4540049539200 is 29359400454.

4540049539200 is a `hidden beast` number, since 4 + 5 + 400 + 4 + 9 + 5 + 39 + 200 = 666.

It is a tau number, because it is divible by the number of its divisors (1152).

It is a super-2 number, since 2×4540049539200² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 126788499 + ... + 126824301.

It is an arithmetic number, because the mean of its divisors is an integer number (17477140785).

Almost surely, 2^{4540049539200} is an apocalyptic number.

4540049539200 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 4540049539200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10066833092160).

4540049539200 is an abundant number, since it is smaller than the sum of its proper divisors (15593616645120).

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

4540049539200 is a wasteful number, since it uses less digits than its factorization.

4540049539200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35894 (or 35874 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The spelling of 4540049539200 in words is "four trillion, five hundred forty billion, forty-nine million, five hundred thirty-nine thousand, two hundred".