3403968640 has 64 divisors (see below), whose sum is σ = 8400165120. Its totient is φ = 1317657600.

The previous prime is 3403968629. The next prime is 3403968679. The reversal of 3403968640 is 468693043.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65946 + ... + 105625.

It is an arithmetic number, because the mean of its divisors is an integer number (131252580).

Almost surely, 2^3403968640 is an apocalyptic number.

It is an amenable number.

3403968640 is an abundant number, since it is smaller than the sum of its proper divisors (4996196480).

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

3403968640 is a wasteful number, since it uses less digits than its factorization.

3403968640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171621 (or 171609 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 43.

The square root of 3403968640 is about 58343.5398309016. The cubic root of 3403968640 is about 1504.2794297471.

The spelling of 3403968640 in words is "three billion, four hundred three million, nine hundred sixty-eight thousand, six hundred forty".