2606440616 has 32 divisors (see below), whose sum is σ = 5267539200. Its totient is φ = 1201936320.

The previous prime is 2606440597. The next prime is 2606440621. The reversal of 2606440616 is 6160446062.

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, 117845 + ... + 138203.

It is an arithmetic number, because the mean of its divisors is an integer number (164610600).

Almost surely, 2^2606440616 is an apocalyptic number.

2606440616 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2606440616 is an abundant number, since it is smaller than the sum of its proper divisors (2661098584).

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

2606440616 is a wasteful number, since it uses less digits than its factorization.

2606440616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21609 (or 21605 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 2606440616 is about 51053.3115086573. The cubic root of 2606440616 is about 1376.2033526866.

Adding to 2606440616 its reverse (6160446062), we get a palindrome (8766886678).

The spelling of 2606440616 in words is "two billion, six hundred six million, four hundred forty thousand, six hundred sixteen".