4055821568421 has 32 divisors (see below), whose sum is σ = 6188467200000. Its totient is φ = 2314550609280.

The previous prime is 4055821568261. The next prime is 4055821568459. The reversal of 4055821568421 is 1248651285504.

4055821568421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4055821568421 - 2²³ = 4055813179813 is a prime.

It is a super-3 number, since 3×4055821568421³ (a number of 39 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4055821568471) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95614665 + ... + 95657073.

It is an arithmetic number, because the mean of its divisors is an integer number (193389600000).

Almost surely, 2^{4055821568421} is an apocalyptic number.

It is an amenable number.

4055821568421 is a deficient number, since it is larger than the sum of its proper divisors (2132645631579).

4055821568421 is a wasteful number, since it uses less digits than its factorization.

4055821568421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48329.

The product of its (nonzero) digits is 3072000, while the sum is 51.

The spelling of 4055821568421 in words is "four trillion, fifty-five billion, eight hundred twenty-one million, five hundred sixty-eight thousand, four hundred twenty-one".