2660440624 has 10 divisors (see below), whose sum is σ = 5154603740. Its totient is φ = 1330220304.

The previous prime is 2660440597. The next prime is 2660440633. The reversal of 2660440624 is 4260440662.

It is a self number, because there is not a number n which added to its sum of digits gives 2660440624.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83138754 + ... + 83138785.

It is an arithmetic number, because the mean of its divisors is an integer number (515460374).

Almost surely, 2^2660440624 is an apocalyptic number.

It is an amenable number.

2660440624 is a deficient number, since it is larger than the sum of its proper divisors (2494163116).

2660440624 is a wasteful number, since it uses less digits than its factorization.

2660440624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166277547 (or 166277541 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 34.

The square root of 2660440624 is about 51579.4593224861. The cubic root of 2660440624 is about 1385.6424834787.

The spelling of 2660440624 in words is "two billion, six hundred sixty million, four hundred forty thousand, six hundred twenty-four".