3340442440 has 128 divisors (see below), whose sum is σ = 8072064000. Its totient is φ = 1240489728.

The previous prime is 3340442431. The next prime is 3340442453. The reversal of 3340442440 is 442440433.

It is a super-2 number, since 2×3340442440² = 22317111389906307200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3340442399 and 3340442408.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10880767 + ... + 10881073.

It is an arithmetic number, because the mean of its divisors is an integer number (63063000).

Almost surely, 2^3340442440 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 3340442440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4036032000).

3340442440 is an abundant number, since it is smaller than the sum of its proper divisors (4731621560).

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

3340442440 is a wasteful number, since it uses less digits than its factorization.

3340442440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579 (or 575 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

The square root of 3340442440 is about 57796.5607973346. The cubic root of 3340442440 is about 1494.8627875993.

Adding to 3340442440 its reverse (442440433), we get a palindrome (3782882873).

The spelling of 3340442440 in words is "three billion, three hundred forty million, four hundred forty-two thousand, four hundred forty".