4013003440 has 20 divisors (see below), whose sum is σ = 9330233184. Its totient is φ = 1605201344.

The previous prime is 4013003419. The next prime is 4013003443. The reversal of 4013003440 is 443003104.

4013003440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×4013003440² = 32208393218903667200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4013003443) 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, 25081192 + ... + 25081351.

Almost surely, 2^4013003440 is an apocalyptic number.

4013003440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4013003440 is an abundant number, since it is smaller than the sum of its proper divisors (5317229744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4013003440 is a wasteful number, since it uses less digits than its factorization.

4013003440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50162556 (or 50162550 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 4013003440 is about 63348.2710103441. The cubic root of 4013003440 is about 1589.1193308777.

Adding to 4013003440 its reverse (443003104), we get a palindrome (4456006544).

The spelling of 4013003440 in words is "four billion, thirteen million, three thousand, four hundred forty".