3215559648 has 48 divisors (see below), whose sum is σ = 9646680960. Its totient is φ = 918731136.

The previous prime is 3215559617. The next prime is 3215559653. The reversal of 3215559648 is 8469555123.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 3215559597 and 3215559606.

It is a congruent number.

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, 2391858 + ... + 2393201.

It is an arithmetic number, because the mean of its divisors is an integer number (200972520).

Almost surely, 2^3215559648 is an apocalyptic number.

It is an amenable number.

3215559648 is an abundant number, since it is smaller than the sum of its proper divisors (6431121312).

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

3215559648 is a wasteful number, since it uses less digits than its factorization.

3215559648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4785079 (or 4785071 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 48.

The square root of 3215559648 is about 56705.9048777109. The cubic root of 3215559648 is about 1475.9971651153.

The spelling of 3215559648 in words is "three billion, two hundred fifteen million, five hundred fifty-nine thousand, six hundred forty-eight".