40543200000 has 432 divisors, whose sum is σ = 149936965920. Its totient is φ = 10805760000.

The previous prime is 40543199999. The next prime is 40543200041. The reversal of 40543200000 is 234504.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (432).

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 21599062 + ... + 21600938.

It is an arithmetic number, because the mean of its divisors is an integer number (347076310).

Almost surely, 2^40543200000 is an apocalyptic number.

40543200000 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 40543200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74968482960).

40543200000 is an abundant number, since it is smaller than the sum of its proper divisors (109393765920).

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

40543200000 is an frugal number, since it uses more digits than its factorization.

40543200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1927 (or 1887 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

Adding to 40543200000 its reverse (234504), we get a palindrome (40543434504).

The spelling of 40543200000 in words is "forty billion, five hundred forty-three million, two hundred thousand".