3343648720 has 40 divisors (see below), whose sum is σ = 7788043944. Its totient is φ = 1335040512.

The previous prime is 3343648717. The next prime is 3343648729. The reversal of 3343648720 is 278463433.

It can be written as a sum of positive squares in 4 ways, for example, as 134652816 + 3208995904 = 11604^2 + 56648^2 .

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

It is a super-2 number, since 2×3343648720² = 22359973525515276800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3343648729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7042 + ... + 82078.

Almost surely, 2^3343648720 is an apocalyptic number.

It is an amenable number.

3343648720 is an abundant number, since it is smaller than the sum of its proper divisors (4444395224).

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

3343648720 is a wasteful number, since it uses less digits than its factorization.

3343648720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75607 (or 75601 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 40.

The square root of 3343648720 is about 57824.2917812229. The cubic root of 3343648720 is about 1495.3409094927.

The spelling of 3343648720 in words is "three billion, three hundred forty-three million, six hundred forty-eight thousand, seven hundred twenty".