4002012441 has 56 divisors (see below), whose sum is σ = 7094182080. Its totient is φ = 2207925216.

The previous prime is 4002012439. The next prime is 4002012479. The reversal of 4002012441 is 1442102004.

4002012441 is a `hidden beast` number, since 400 + 20 + 1 + 244 + 1 = 666.

It is not a de Polignac number, because 4002012441 - 2¹ = 4002012439 is a prime.

It is a super-2 number, since 2×4002012441² = 32032207155837556962, which contains 22 as substring.

4002012441 is a modest number, since divided by 12441 gives 4002 as remainder.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4002012401) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 134466 + ... + 161508.

Almost surely, 2^4002012441 is an apocalyptic number.

It is an amenable number.

4002012441 is a deficient number, since it is larger than the sum of its proper divisors (3092169639).

4002012441 is an equidigital number, since it uses as much as digits as its factorization.

4002012441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27097 (or 27082 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 4002012441 is about 63261.4609458239. The cubic root of 4002012441 is about 1587.6672199159.

Adding to 4002012441 its reverse (1442102004), we get a palindrome (5444114445).

The spelling of 4002012441 in words is "four billion, two million, twelve thousand, four hundred forty-one".