43143402240 has 108 divisors (see below), whose sum is σ = 149271717504. Its totient is φ = 11504904192.

The previous prime is 43143402199. The next prime is 43143402257. The reversal of 43143402240 is 4220434134.

It is a happy number.

43143402240 is a `hidden beast` number, since 4 + 3 + 1 + 434 + 0 + 224 + 0 = 666.

It is a super-2 number, since 2×43143402240² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1861024 + ... + 1884063.

Almost surely, 2^43143402240 is an apocalyptic number.

43143402240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43143402240 is an abundant number, since it is smaller than the sum of its proper divisors (106128315264).

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

43143402240 is a wasteful number, since it uses less digits than its factorization.

43143402240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3745114 (or 3745097 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 43143402240 its reverse (4220434134), we get a palindrome (47363836374).

The spelling of 43143402240 in words is "forty-three billion, one hundred forty-three million, four hundred two thousand, two hundred forty".