40443541200 has 90 divisors (see below), whose sum is σ = 140350334774. Its totient is φ = 10784943360.

The previous prime is 40443541157. The next prime is 40443541207. The reversal of 40443541200 is 214534404.

It is a happy number.

40443541200 is a `hidden beast` number, since 404 + 4 + 3 + 54 + 1 + 200 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 5048386704 + 35395154496 = 71052^2 + 188136^2 .

It is a tau number, because it is divible by the number of its divisors (90).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40443541207) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5613559 + ... + 5620758.

Almost surely, 2^40443541200 is an apocalyptic number.

40443541200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40443541200 is an abundant number, since it is smaller than the sum of its proper divisors (99906793574).

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

40443541200 is a wasteful number, since it uses less digits than its factorization.

40443541200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11234341 (or 11234327 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The spelling of 40443541200 in words is "forty billion, four hundred forty-three million, five hundred forty-one thousand, two hundred".