2602002064 has 20 divisors (see below), whose sum is σ = 5042205180. Its totient is φ = 1300787840.

The previous prime is 2602002047. The next prime is 2602002077. The reversal of 2602002064 is 4602002062.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2225952400 + 376049664 = 47180^2 + 19392^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142782 + ... + 159970.

It is an arithmetic number, because the mean of its divisors is an integer number (252110259).

Almost surely, 2^2602002064 is an apocalyptic number.

It is an amenable number.

2602002064 is a deficient number, since it is larger than the sum of its proper divisors (2440203116).

2602002064 is a wasteful number, since it uses less digits than its factorization.

2602002064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26658 (or 26652 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2602002064 is about 51009.8232108287. The cubic root of 2602002064 is about 1375.4217221458.

The spelling of 2602002064 in words is "two billion, six hundred two million, two thousand, sixty-four".