4021423034320 has 40 divisors (see below), whose sum is σ = 9350521528320. Its totient is φ = 1608446551680.

The previous prime is 4021423034303. The next prime is 4021423034339. The reversal of 4021423034320 is 234303241204.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-3 number, since 3×4021423034320³ (a number of 39 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 857296 + ... + 2962735.

It is an arithmetic number, because the mean of its divisors is an integer number (233763038208).

Almost surely, 2^{4021423034320} is an apocalyptic number.

4021423034320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4021423034320 is an abundant number, since it is smaller than the sum of its proper divisors (5329098494000).

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

4021423034320 is a wasteful number, since it uses less digits than its factorization.

4021423034320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3833203 (or 3833197 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 4021423034320 its reverse (234303241204), we get a palindrome (4255726275524).

The spelling of 4021423034320 in words is "four trillion, twenty-one billion, four hundred twenty-three million, thirty-four thousand, three hundred twenty".