4021424014420 has 48 divisors (see below), whose sum is σ = 8558030251008. Its totient is φ = 1587089427840.

The previous prime is 4021424014417. The next prime is 4021424014457. The reversal of 4021424014420 is 244104241204.

It is a happy number.

It is a super-2 number, since 2×4021424014420² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 343476 + ... + 2856715.

It is an arithmetic number, because the mean of its divisors is an integer number (178292296896).

Almost surely, 2^{4021424014420} is an apocalyptic number.

It is an amenable number.

4021424014420 is an abundant number, since it is smaller than the sum of its proper divisors (4536606236588).

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

4021424014420 is a wasteful number, since it uses less digits than its factorization.

4021424014420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3201040 (or 3201038 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 4021424014420 its reverse (244104241204), we get a palindrome (4265528255624).

The spelling of 4021424014420 in words is "four trillion, twenty-one billion, four hundred twenty-four million, fourteen thousand, four hundred twenty".