402066203224552 has 32 divisors (see below), whose sum is σ = 805542784417800. Its totient is φ = 187471775268864.

The previous prime is 402066203224489. The next prime is 402066203224613. The reversal of 402066203224552 is 255422302660204.

It can be written as a sum of positive squares in 4 ways, for example, as 384266866631076 + 17799336593476 = 19602726^2 + 4218926^2 .

It is a junction number, because it is equal to n+sod(n) for n = 402066203224499 and 402066203224508.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13561311513 + ... + 13561341160.

Almost surely, 2^{402066203224552} is an apocalyptic number.

It is an amenable number.

402066203224552 is an abundant number, since it is smaller than the sum of its proper divisors (403476581193248).

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

402066203224552 is a wasteful number, since it uses less digits than its factorization.

402066203224552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27122652805 (or 27122652801 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 43.

Adding to 402066203224552 its reverse (255422302660204), we get a palindrome (657488505884756).

The spelling of 402066203224552 in words is "four hundred two trillion, sixty-six billion, two hundred three million, two hundred twenty-four thousand, five hundred fifty-two".