4000143042552 has 16 divisors (see below), whose sum is σ = 10000357606440. Its totient is φ = 1333381014176.

The previous prime is 4000143042529. The next prime is 4000143042613. The reversal of 4000143042552 is 2552403410004.

It is a super-2 number, since 2×4000143042552² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83336313363 + ... + 83336313410.

Almost surely, 2^{4000143042552} is an apocalyptic number.

It is an amenable number.

4000143042552 is an abundant number, since it is smaller than the sum of its proper divisors (6000214563888).

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

4000143042552 is a wasteful number, since it uses less digits than its factorization.

4000143042552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166672626782 (or 166672626778 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 4000143042552 its reverse (2552403410004), we get a palindrome (6552546452556).

The spelling of 4000143042552 in words is "four trillion, one hundred forty-three million, forty-two thousand, five hundred fifty-two".