3439441640 has 64 divisors (see below), whose sum is σ = 7892277120. Its totient is φ = 1348704000.

The previous prime is 3439441637. The next prime is 3439441669. The reversal of 3439441640 is 461449343.

It is a junction number, because it is equal to n+sod(n) for n = 3439441594 and 3439441603.

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, 510695 + ... + 517385.

It is an arithmetic number, because the mean of its divisors is an integer number (123316830).

Almost surely, 2^3439441640 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 3439441640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3946138560).

3439441640 is an abundant number, since it is smaller than the sum of its proper divisors (4452835480).

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

3439441640 is a wasteful number, since it uses less digits than its factorization.

3439441640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6954 (or 6950 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 38.

The square root of 3439441640 is about 58646.7530217999. The cubic root of 3439441640 is about 1509.4867837630.

The spelling of 3439441640 in words is "three billion, four hundred thirty-nine million, four hundred forty-one thousand, six hundred forty".