2808363890550 has 48 divisors (see below), whose sum is σ = 7267557346560. Its totient is φ = 716336295840.

The previous prime is 2808363890533. The next prime is 2808363890551. The reversal of 2808363890550 is 550983638082.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2808363890551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 407005810 + ... + 407012709.

It is an arithmetic number, because the mean of its divisors is an integer number (151407444720).

Almost surely, 2^{2808363890550} is an apocalyptic number.

2808363890550 is an abundant number, since it is smaller than the sum of its proper divisors (4459193456010).

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

2808363890550 is a wasteful number, since it uses less digits than its factorization.

2808363890550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814018557 (or 814018552 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 57.

The spelling of 2808363890550 in words is "two trillion, eight hundred eight billion, three hundred sixty-three million, eight hundred ninety thousand, five hundred fifty".