2204131355424 has 36 divisors (see below), whose sum is σ = 6267998542806. Its totient is φ = 734710451712.

The previous prime is 2204131355411. The next prime is 2204131355441. The reversal of 2204131355424 is 4245531314022.

It is a happy number.

2204131355424 is a `hidden beast` number, since 2 + 204 + 13 + 13 + 5 + 5 + 424 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1229038304400 + 975093051024 = 1108620^2 + 987468^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3826616649 + ... + 3826617224.

Almost surely, 2^{2204131355424} is an apocalyptic number.

2204131355424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2204131355424 is an abundant number, since it is smaller than the sum of its proper divisors (4063867187382).

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

2204131355424 is a wasteful number, since it uses less digits than its factorization.

2204131355424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7653233889 (or 7653233878 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 2204131355424 its reverse (4245531314022), we get a palindrome (6449662669446).

The spelling of 2204131355424 in words is "two trillion, two hundred four billion, one hundred thirty-one million, three hundred fifty-five thousand, four hundred twenty-four".