2646004602408 has 64 divisors (see below), whose sum is σ = 6760702402560. Its totient is φ = 862603559616.

The previous prime is 2646004602391. The next prime is 2646004602523. The reversal of 2646004602408 is 8042064006462.

It is a self number, because there is not a number n which added to its sum of digits gives 2646004602408.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 683985 + ... + 2399967.

It is an arithmetic number, because the mean of its divisors is an integer number (105635975040).

Almost surely, 2^{2646004602408} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2646004602408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3380351201280).

2646004602408 is an abundant number, since it is smaller than the sum of its proper divisors (4114697800152).

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

2646004602408 is a wasteful number, since it uses less digits than its factorization.

2646004602408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1717406 (or 1717402 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 42.

The spelling of 2646004602408 in words is "two trillion, six hundred forty-six billion, four million, six hundred two thousand, four hundred eight".