2205400550604 has 12 divisors (see below), whose sum is σ = 5145934618104. Its totient is φ = 735133516864.

The previous prime is 2205400550599. The next prime is 2205400550609. The reversal of 2205400550604 is 4060550045022.

It is an interprime number because it is at equal distance from previous prime (2205400550599) and next prime (2205400550609).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (2205400550609) 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 3 ways as a sum of consecutive naturals, for example, 91891689597 + ... + 91891689620.

It is an arithmetic number, because the mean of its divisors is an integer number (428827884842).

Almost surely, 2^{2205400550604} is an apocalyptic number.

It is an amenable number.

2205400550604 is an abundant number, since it is smaller than the sum of its proper divisors (2940534067500).

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

2205400550604 is a wasteful number, since it uses less digits than its factorization.

2205400550604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183783379224 (or 183783379222 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 33.

Adding to 2205400550604 its reverse (4060550045022), we get a palindrome (6265950595626).

The spelling of 2205400550604 in words is "two trillion, two hundred five billion, four hundred million, five hundred fifty thousand, six hundred four".