2600641002 has 16 divisors (see below), whose sum is σ = 5204374560. Its totient is φ = 866364912.

The previous prime is 2600640971. The next prime is 2600641003. The reversal of 2600641002 is 2001460062.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2600641002.

It is not an unprimeable number, because it can be changed into a prime (2600641003) 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, 117852 + ... + 138167.

It is an arithmetic number, because the mean of its divisors is an integer number (325273410).

Almost surely, 2^2600641002 is an apocalyptic number.

2600641002 is an abundant number, since it is smaller than the sum of its proper divisors (2603733558).

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

2600641002 is a wasteful number, since it uses less digits than its factorization.

2600641002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257717.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2600641002 is about 50996.4802903102. The cubic root of 2600641002 is about 1375.1818605958.

The spelling of 2600641002 in words is "two billion, six hundred million, six hundred forty-one thousand, two".