4199981555 has 64 divisors (see below), whose sum is σ = 6576380928. Its totient is φ = 2498895360.

The previous prime is 4199981551. The next prime is 4199981561. The reversal of 4199981555 is 5551899914.

It is not a de Polignac number, because 4199981555 - 2² = 4199981551 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4199981555.

It is not an unprimeable number, because it can be changed into a prime (4199981551) 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 63 ways as a sum of consecutive naturals, for example, 752204 + ... + 757766.

It is an arithmetic number, because the mean of its divisors is an integer number (102755952).

Almost surely, 2^4199981555 is an apocalyptic number.

4199981555 is a deficient number, since it is larger than the sum of its proper divisors (2376399373).

4199981555 is a wasteful number, since it uses less digits than its factorization.

4199981555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5676.

The product of its digits is 2916000, while the sum is 56.

The square root of 4199981555 is about 64807.2646776579. The cubic root of 4199981555 is about 1613.4262841408.

The spelling of 4199981555 in words is "four billion, one hundred ninety-nine million, nine hundred eighty-one thousand, five hundred fifty-five".