4020032401 has 48 divisors (see below), whose sum is σ = 5184805248. Its totient is φ = 3027456000.

The previous prime is 4020032399. The next prime is 4020032413. The reversal of 4020032401 is 1042300204.

It is not a de Polignac number, because 4020032401 - 2¹ = 4020032399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4020032441) 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 47 ways as a sum of consecutive naturals, for example, 39802251 + ... + 39802351.

It is an arithmetic number, because the mean of its divisors is an integer number (108016776).

Almost surely, 2^4020032401 is an apocalyptic number.

It is an amenable number.

4020032401 is a deficient number, since it is larger than the sum of its proper divisors (1164772847).

4020032401 is a wasteful number, since it uses less digits than its factorization.

4020032401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362 (or 289 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 4020032401 is about 63403.7254504812. The cubic root of 4020032401 is about 1590.0465950244.

Adding to 4020032401 its reverse (1042300204), we get a palindrome (5062332605).

It can be divided in two parts, 402003 and 2401, that added together give a palindrome (404404).

The spelling of 4020032401 in words is "four billion, twenty million, thirty-two thousand, four hundred one".