2665239594850 has 48 divisors (see below), whose sum is σ = 5963724100800. Its totient is φ = 865701881280.

The previous prime is 2665239594833. The next prime is 2665239594851. The reversal of 2665239594850 is 584959325662.

It is not an unprimeable number, because it can be changed into a prime (2665239594851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 200387305 + ... + 200400604.

It is an arithmetic number, because the mean of its divisors is an integer number (124244252100).

Almost surely, 2^{2665239594850} is an apocalyptic number.

2665239594850 is an abundant number, since it is smaller than the sum of its proper divisors (3298484505950).

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

2665239594850 is a wasteful number, since it uses less digits than its factorization.

2665239594850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400787947 (or 400787942 counting only the distinct ones).

The product of its (nonzero) digits is 139968000, while the sum is 64.

The spelling of 2665239594850 in words is "two trillion, six hundred sixty-five billion, two hundred thirty-nine million, five hundred ninety-four thousand, eight hundred fifty".