4012420430440 has 32 divisors (see below), whose sum is σ = 9029492640000. Its totient is φ = 1604693208384.

The previous prime is 4012420430411. The next prime is 4012420430471. The reversal of 4012420430440 is 440340242104.

It is a super-2 number, since 2×4012420430440² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4012420430399 and 4012420430408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8356140 + ... + 8823259.

It is an arithmetic number, because the mean of its divisors is an integer number (282171645000).

Almost surely, 2^{4012420430440} is an apocalyptic number.

4012420430440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4012420430440 is an abundant number, since it is smaller than the sum of its proper divisors (5017072209560).

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

4012420430440 is a wasteful number, since it uses less digits than its factorization.

4012420430440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17185249 (or 17185245 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 4012420430440 its reverse (440340242104), we get a palindrome (4452760672544).

The spelling of 4012420430440 in words is "four trillion, twelve billion, four hundred twenty million, four hundred thirty thousand, four hundred forty".