3002206640 has 40 divisors (see below), whose sum is σ = 7168789680. Its totient is φ = 1168425216.

The previous prime is 3002206633. The next prime is 3002206657. The reversal of 3002206640 is 466022003.

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

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, 504170 + ... + 510089.

It is an arithmetic number, because the mean of its divisors is an integer number (179219742).

Almost surely, 2^3002206640 is an apocalyptic number.

It is an amenable number.

3002206640 is an abundant number, since it is smaller than the sum of its proper divisors (4166583040).

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

3002206640 is a wasteful number, since it uses less digits than its factorization.

3002206640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014309 (or 1014303 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 3002206640 is about 54792.3958227782. The cubic root of 3002206640 is about 1442.6030975976.

Adding to 3002206640 its reverse (466022003), we get a palindrome (3468228643).

The spelling of 3002206640 in words is "three billion, two million, two hundred six thousand, six hundred forty".