4017985448 has 16 divisors (see below), whose sum is σ = 7581710580. Its totient is φ = 1996195968.

The previous prime is 4017985441. The next prime is 4017985451. The reversal of 4017985448 is 8445897104.

It can be written as a sum of positive squares in 2 ways, for example, as 3928531684 + 89453764 = 62678^2 + 9458^2 .

It is a super-3 number, since 3×4017985448³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 4017985396 and 4017985405.

It is not an unprimeable number, because it can be changed into a prime (4017985441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1598261 + ... + 1600772.

Almost surely, 2^4017985448 is an apocalyptic number.

It is an amenable number.

4017985448 is a deficient number, since it is larger than the sum of its proper divisors (3563725132).

4017985448 is a wasteful number, since it uses less digits than its factorization.

4017985448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3199196 (or 3199192 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 50.

The square root of 4017985448 is about 63387.5811811746. The cubic root of 4017985448 is about 1589.7766715590.

The spelling of 4017985448 in words is "four billion, seventeen million, nine hundred eighty-five thousand, four hundred forty-eight".