3420432445340 has 24 divisors (see below), whose sum is σ = 7182953718192. Its totient is φ = 1368164295680.

The previous prime is 3420432445319. The next prime is 3420432445351. The reversal of 3420432445340 is 435442340243.

3420432445340 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 2×3420432445340² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3420432445294 and 3420432445303.

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, 3378935 + ... + 4272945.

It is an arithmetic number, because the mean of its divisors is an integer number (299289738258).

Almost surely, 2^{3420432445340} is an apocalyptic number.

It is an amenable number.

3420432445340 is an abundant number, since it is smaller than the sum of its proper divisors (3762521272852).

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

3420432445340 is a wasteful number, since it uses less digits than its factorization.

3420432445340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085317 (or 1085315 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 38.

Adding to 3420432445340 its reverse (435442340243), we get a palindrome (3855874785583).

The spelling of 3420432445340 in words is "three trillion, four hundred twenty billion, four hundred thirty-two million, four hundred forty-five thousand, three hundred forty".