43143304400 has 90 divisors (see below), whose sum is σ = 120574584630. Its totient is φ = 14791983360.

The previous prime is 43143304363. The next prime is 43143304411. The reversal of 43143304400 is 440334134.

It can be written as a sum of positive squares in 3 ways, for example, as 431642176 + 42711662224 = 20776^2 + 206668^2 .

It is a super-2 number, since 2×43143304400² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 43143304400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1080995 + ... + 1120194.

It is an arithmetic number, because the mean of its divisors is an integer number (1339717607).

Almost surely, 2^43143304400 is an apocalyptic number.

43143304400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43143304400 is an abundant number, since it is smaller than the sum of its proper divisors (77431280230).

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

43143304400 is a wasteful number, since it uses less digits than its factorization.

43143304400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2201221 (or 2201203 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 43143304400 its reverse (440334134), we get a palindrome (43583638534).

The spelling of 43143304400 in words is "forty-three billion, one hundred forty-three million, three hundred four thousand, four hundred".