3315628720 has 40 divisors (see below), whose sum is σ = 7720416576. Its totient is φ = 1324259328.

The previous prime is 3315628699. The next prime is 3315628721. The reversal of 3315628720 is 278265133.

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

It is a self number, because there is not a number n which added to its sum of digits gives 3315628720.

It is not an unprimeable number, because it can be changed into a prime (3315628721) 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, 23049 + ... + 84631.

Almost surely, 2^3315628720 is an apocalyptic number.

It is an amenable number.

3315628720 is an abundant number, since it is smaller than the sum of its proper divisors (4404787856).

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

3315628720 is a wasteful number, since it uses less digits than its factorization.

3315628720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62269 (or 62263 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 3315628720 is about 57581.4963334577. The cubic root of 3315628720 is about 1491.1521680082.

The spelling of 3315628720 in words is "three billion, three hundred fifteen million, six hundred twenty-eight thousand, seven hundred twenty".