4120024434021 has 24 divisors (see below), whose sum is σ = 6034997974616. Its totient is φ = 2708011284480.

The previous prime is 4120024434017. The next prime is 4120024434023. The reversal of 4120024434021 is 1204344200214.

4120024434021 is a `hidden beast` number, since 4 + 1 + 200 + 2 + 4 + 434 + 0 + 21 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 310149861921 + 3809874572100 = 556911^2 + 1951890^2 .

It is not a de Polignac number, because 4120024434021 - 2² = 4120024434017 is a prime.

It is a super-2 number, since 2×4120024434021² (a number of 26 digits) 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 (4120024434023) 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, 494391 + ... + 2912811.

Almost surely, 2^{4120024434021} is an apocalyptic number.

It is an amenable number.

4120024434021 is a deficient number, since it is larger than the sum of its proper divisors (1914973540595).

4120024434021 is a wasteful number, since it uses less digits than its factorization.

4120024434021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2421093 (or 2421090 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 4120024434021 its reverse (1204344200214), we get a palindrome (5324368634235).

The spelling of 4120024434021 in words is "four trillion, one hundred twenty billion, twenty-four million, four hundred thirty-four thousand, twenty-one".