3420121040 has 40 divisors (see below), whose sum is σ = 9087751680. Its totient is φ = 1172612736.

The previous prime is 3420121039. The next prime is 3420121069. The reversal of 3420121040 is 401210243.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3053120 + ... + 3054239.

It is an arithmetic number, because the mean of its divisors is an integer number (227193792).

Almost surely, 2^3420121040 is an apocalyptic number.

It is an amenable number.

3420121040 is an abundant number, since it is smaller than the sum of its proper divisors (5667630640).

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

3420121040 is a wasteful number, since it uses less digits than its factorization.

3420121040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6107379 (or 6107373 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 3420121040 is about 58481.8009298619. The cubic root of 3420121040 is about 1506.6550285820.

Adding to 3420121040 its reverse (401210243), we get a palindrome (3821331283).

The spelling of 3420121040 in words is "three billion, four hundred twenty million, one hundred twenty-one thousand, forty".