4000341021 has 16 divisors (see below), whose sum is σ = 5425664640. Its totient is φ = 2621027520.

The previous prime is 4000341011. The next prime is 4000341031. The reversal of 4000341021 is 1201430004.

It is an interprime number because it is at equal distance from previous prime (4000341011) and next prime (4000341031).

It is not a de Polignac number, because 4000341021 - 2⁵ = 4000340989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4000341011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233091 + ... + 249663.

It is an arithmetic number, because the mean of its divisors is an integer number (339104040).

Almost surely, 2^4000341021 is an apocalyptic number.

It is an amenable number.

4000341021 is a deficient number, since it is larger than the sum of its proper divisors (1425323619).

4000341021 is a wasteful number, since it uses less digits than its factorization.

4000341021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17956.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 4000341021 is about 63248.2491536327. The cubic root of 4000341021 is about 1587.4461621108.

Adding to 4000341021 its reverse (1201430004), we get a palindrome (5201771025).

The spelling of 4000341021 in words is "four billion, three hundred forty-one thousand, twenty-one".