3420235540 has 12 divisors (see below), whose sum is σ = 7182494676. Its totient is φ = 1368094208.

The previous prime is 3420235537. The next prime is 3420235541. The reversal of 3420235540 is 455320243.

It can be written as a sum of positive squares in 2 ways, for example, as 408201616 + 3012033924 = 20204^2 + 54882^2 .

It is a super-2 number, since 2×3420235540² = 23396022298158183200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3420235499 and 3420235508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3420235541) 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 3 ways as a sum of consecutive naturals, for example, 85505869 + ... + 85505908.

It is an arithmetic number, because the mean of its divisors is an integer number (598541223).

Almost surely, 2^3420235540 is an apocalyptic number.

It is an amenable number.

3420235540 is an abundant number, since it is smaller than the sum of its proper divisors (3762259136).

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

3420235540 is a wasteful number, since it uses less digits than its factorization.

3420235540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171011786 (or 171011784 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 3420235540 is about 58482.7798586900. The cubic root of 3420235540 is about 1506.6718418345.

Adding to 3420235540 its reverse (455320243), we get a palindrome (3875555783).

The spelling of 3420235540 in words is "three billion, four hundred twenty million, two hundred thirty-five thousand, five hundred forty".