4418032981 has 16 divisors (see below), whose sum is σ = 4725600048. Its totient is φ = 4115865600.

The previous prime is 4418032939. The next prime is 4418032991. The reversal of 4418032981 is 1892308144.

It can be written as a sum of positive squares in 8 ways, for example, as 384512881 + 4033520100 = 19609^2 + 63510^2 .

It is a cyclic number.

It is not a de Polignac number, because 4418032981 - 2²⁷ = 4283815253 is a prime.

It is a super-2 number, since 2×4418032981² = 39038030842407492722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4418032991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2536771 + ... + 2538511.

It is an arithmetic number, because the mean of its divisors is an integer number (295350003).

Almost surely, 2^4418032981 is an apocalyptic number.

It is an amenable number.

4418032981 is a deficient number, since it is larger than the sum of its proper divisors (307567067).

4418032981 is a wasteful number, since it uses less digits than its factorization.

4418032981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3192.

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 4418032981 is about 66468.2855277613. The cubic root of 4418032981 is about 1640.8780967105.

The spelling of 4418032981 in words is "four billion, four hundred eighteen million, thirty-two thousand, nine hundred eighty-one".