4000020441 has 8 divisors (see below), whose sum is σ = 5333718720. Its totient is φ = 2666501232.

The previous prime is 4000020419. The next prime is 4000020449. The reversal of 4000020441 is 1440200004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4000020441 - 2⁶ = 4000020377 is a prime.

It is a super-4 number, since 4×4000020441⁴ (a number of 40 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4000020441.

It is not an unprimeable number, because it can be changed into a prime (4000020449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21276 + ... + 91938.

It is an arithmetic number, because the mean of its divisors is an integer number (666714840).

Almost surely, 2^4000020441 is an apocalyptic number.

It is an amenable number.

4000020441 is a deficient number, since it is larger than the sum of its proper divisors (1333698279).

4000020441 is a wasteful number, since it uses less digits than its factorization.

4000020441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89535.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 4000020441 is about 63245.7148034553. The cubic root of 4000020441 is about 1587.4037559690.

Adding to 4000020441 its reverse (1440200004), we get a palindrome (5440220445).

The spelling of 4000020441 in words is "four billion, twenty thousand, four hundred forty-one".