2399700506644 has 48 divisors (see below), whose sum is σ = 5085453905280. Its totient is φ = 967234959360.

The previous prime is 2399700506639. The next prime is 2399700506663. The reversal of 2399700506644 is 4466050079932.

It is a congruent number.

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, 1204254 + ... + 2499925.

It is an arithmetic number, because the mean of its divisors is an integer number (105946956360).

Almost surely, 2^{2399700506644} is an apocalyptic number.

It is an amenable number.

2399700506644 is an abundant number, since it is smaller than the sum of its proper divisors (2685753398636).

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

2399700506644 is a wasteful number, since it uses less digits than its factorization.

2399700506644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3705568 (or 3705566 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 55.

The spelling of 2399700506644 in words is "two trillion, three hundred ninety-nine billion, seven hundred million, five hundred six thousand, six hundred forty-four".