4025443401 has 24 divisors (see below), whose sum is σ = 6649478784. Its totient is φ = 2298764160.

The previous prime is 4025443391. The next prime is 4025443423. The reversal of 4025443401 is 1043445204.

It is a happy number.

4025443401 is a `hidden beast` number, since 4 + 0 + 254 + 4 + 3 + 401 = 666.

It is not a de Polignac number, because 4025443401 - 2⁶ = 4025443337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4025443001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81361 + ... + 121121.

It is an arithmetic number, because the mean of its divisors is an integer number (277061616).

Almost surely, 2^4025443401 is an apocalyptic number.

It is an amenable number.

4025443401 is a deficient number, since it is larger than the sum of its proper divisors (2624035383).

4025443401 is a wasteful number, since it uses less digits than its factorization.

4025443401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41381 (or 41378 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 4025443401 is about 63446.3820954355. The cubic root of 4025443401 is about 1590.7596808832.

Adding to 4025443401 its reverse (1043445204), we get a palindrome (5068888605).

The spelling of 4025443401 in words is "four billion, twenty-five million, four hundred forty-three thousand, four hundred one".