4021434333340 has 48 divisors (see below), whose sum is σ = 8532046531008. Its totient is φ = 1592014224384.

The previous prime is 4021434333337. The next prime is 4021434333349. The reversal of 4021434333340 is 433334341204.

It is a junction number, because it is equal to n+sod(n) for n = 4021434333296 and 4021434333305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021434333349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2911044 + ... + 4064116.

It is an arithmetic number, because the mean of its divisors is an integer number (177750969396).

Almost surely, 2^{4021434333340} is an apocalyptic number.

It is an amenable number.

4021434333340 is an abundant number, since it is smaller than the sum of its proper divisors (4510612197668).

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

4021434333340 is a wasteful number, since it uses less digits than its factorization.

4021434333340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1154878 (or 1154876 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 34.

Adding to 4021434333340 its reverse (433334341204), we get a palindrome (4454768674544).

The spelling of 4021434333340 in words is "four trillion, twenty-one billion, four hundred thirty-four million, three hundred thirty-three thousand, three hundred forty".