4001024403 has 24 divisors (see below), whose sum is σ = 6052680816. Its totient is φ = 2640924000.

The previous prime is 4001024387. The next prime is 4001024429. The reversal of 4001024403 is 3044201004.

It is not a de Polignac number, because 4001024403 - 2⁴ = 4001024387 is a prime.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (4001024453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56968 + ... + 106053.

It is an arithmetic number, because the mean of its divisors is an integer number (252195034).

Almost surely, 2^4001024403 is an apocalyptic number.

4001024403 is a deficient number, since it is larger than the sum of its proper divisors (2051656413).

4001024403 is a wasteful number, since it uses less digits than its factorization.

4001024403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163137 (or 163125 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 4001024403 is about 63253.6513017233. The cubic root of 4001024403 is about 1587.5365519350.

Adding to 4001024403 its reverse (3044201004), we get a palindrome (7045225407).

The spelling of 4001024403 in words is "four billion, one million, twenty-four thousand, four hundred three".