3340421240 has 64 divisors (see below), whose sum is σ = 8113089600. Its totient is φ = 1230492672.

The previous prime is 3340421221. The next prime is 3340421281. The reversal of 3340421240 is 421240433.

It is a super-2 number, since 2×3340421240² = 22316828121286275200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220964 + ... + 235596.

It is an arithmetic number, because the mean of its divisors is an integer number (126767025).

Almost surely, 2^3340421240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3340421240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4056544800).

3340421240 is an abundant number, since it is smaller than the sum of its proper divisors (4772668360).

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

3340421240 is a wasteful number, since it uses less digits than its factorization.

3340421240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15096 (or 15092 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 3340421240 is about 57796.3773951275. The cubic root of 3340421240 is about 1494.8596252280.

Adding to 3340421240 its reverse (421240433), we get a palindrome (3761661673).

The spelling of 3340421240 in words is "three billion, three hundred forty million, four hundred twenty-one thousand, two hundred forty".