4041021401 has 4 divisors (see below), whose sum is σ = 4068142500. Its totient is φ = 4013900304.

The previous prime is 4041021373. The next prime is 4041021427. The reversal of 4041021401 is 1041201404.

4041021401 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2646073600 + 1394947801 = 51440^2 + 37349^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4041021401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4041021401.

It is not an unprimeable number, because it can be changed into a prime (4041021701) 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 3 ways as a sum of consecutive naturals, for example, 13560326 + ... + 13560623.

It is an arithmetic number, because the mean of its divisors is an integer number (1017035625).

Almost surely, 2^4041021401 is an apocalyptic number.

It is an amenable number.

4041021401 is a deficient number, since it is larger than the sum of its proper divisors (27121099).

4041021401 is a wasteful number, since it uses less digits than its factorization.

4041021401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27121098.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 4041021401 is about 63569.0286303008. The cubic root of 4041021401 is about 1592.8090581440.

Adding to 4041021401 its reverse (1041201404), we get a palindrome (5082222805).

The spelling of 4041021401 in words is "four billion, forty-one million, twenty-one thousand, four hundred one".