4011402421 has 6 divisors (see below), whose sum is σ = 4343708130. Its totient is φ = 3702832848.

The previous prime is 4011402407. The next prime is 4011402427. The reversal of 4011402421 is 1242041104.

It can be written as a sum of positive squares in 3 ways, for example, as 5904900 + 4005497521 = 2430^2 + 63289^2 .

It is not a de Polignac number, because 4011402421 - 2²⁷ = 3877184693 is a prime.

It is a super-2 number, since 2×4011402421² = 32182698766409322482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4011402427) 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 5 ways as a sum of consecutive naturals, for example, 11867886 + ... + 11868223.

It is an arithmetic number, because the mean of its divisors is an integer number (723951355).

Almost surely, 2^4011402421 is an apocalyptic number.

It is an amenable number.

4011402421 is a deficient number, since it is larger than the sum of its proper divisors (332305709).

4011402421 is a wasteful number, since it uses less digits than its factorization.

4011402421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23736135 (or 23736122 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 4011402421 is about 63335.6331064907. The cubic root of 4011402421 is about 1588.9079722532.

Adding to 4011402421 its reverse (1242041104), we get a palindrome (5253443525).

The spelling of 4011402421 in words is "four billion, eleven million, four hundred two thousand, four hundred twenty-one".