4021405304424 has 64 divisors (see below), whose sum is σ = 10534152435840. Its totient is φ = 1276866877440.

The previous prime is 4021405304351. The next prime is 4021405304429. The reversal of 4021405304424 is 4244035041204.

4021405304424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×4021405304424² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4021405304429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14981397 + ... + 15247460.

It is an arithmetic number, because the mean of its divisors is an integer number (164596131810).

Almost surely, 2^{4021405304424} is an apocalyptic number.

It is an amenable number.

4021405304424 is an abundant number, since it is smaller than the sum of its proper divisors (6512747131416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4021405304424 is a wasteful number, since it uses less digits than its factorization.

4021405304424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30229130 (or 30229126 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 33.

The spelling of 4021405304424 in words is "four trillion, twenty-one billion, four hundred five million, three hundred four thousand, four hundred twenty-four".