4043542155 has 32 divisors (see below), whose sum is σ = 6508187136. Its totient is φ = 2143755264.

The previous prime is 4043542127. The next prime is 4043542187. The reversal of 4043542155 is 5512453404.

It is not a de Polignac number, because 4043542155 - 2⁸ = 4043541899 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2654224 + ... + 2655746.

It is an arithmetic number, because the mean of its divisors is an integer number (203380848).

Almost surely, 2^4043542155 is an apocalyptic number.

4043542155 is a deficient number, since it is larger than the sum of its proper divisors (2464644981).

4043542155 is a wasteful number, since it uses less digits than its factorization.

4043542155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2467.

The product of its (nonzero) digits is 48000, while the sum is 33.

The square root of 4043542155 is about 63588.8524428614. The cubic root of 4043542155 is about 1593.1401827813.

Adding to 4043542155 its reverse (5512453404), we get a palindrome (9555995559).

The spelling of 4043542155 in words is "four billion, forty-three million, five hundred forty-two thousand, one hundred fifty-five".