4140231555 has 16 divisors (see below), whose sum is σ = 6659057664. Its totient is φ = 2196561120.

The previous prime is 4140231553. The next prime is 4140231607. The reversal of 4140231555 is 5551320414.

It is not a de Polignac number, because 4140231555 - 2¹ = 4140231553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4140231553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 719689 + ... + 725418.

It is an arithmetic number, because the mean of its divisors is an integer number (416191104).

Almost surely, 2^4140231555 is an apocalyptic number.

4140231555 is a deficient number, since it is larger than the sum of its proper divisors (2518826109).

4140231555 is a wasteful number, since it uses less digits than its factorization.

4140231555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1445306.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 4140231555 is about 64344.6311280125. The cubic root of 4140231555 is about 1605.7387094576.

Adding to 4140231555 its reverse (5551320414), we get a palindrome (9691551969).

The spelling of 4140231555 in words is "four billion, one hundred forty million, two hundred thirty-one thousand, five hundred fifty-five".