202012400304144 has 60 divisors (see below), whose sum is σ = 598610274437916. Its totient is φ = 63376439310336.

The previous prime is 202012400304097. The next prime is 202012400304163. The reversal of 202012400304144 is 441403004210202.

202012400304144 is a `hidden beast` number, since 2 + 0 + 2 + 0 + 1 + 240 + 0 + 3 + 0 + 414 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 120363104304144 + 81649296000000 = 10971012^2 + 9036000^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41260700229 + ... + 41260705124.

Almost surely, 2^{202012400304144} is an apocalyptic number.

202012400304144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

202012400304144 is an abundant number, since it is smaller than the sum of its proper divisors (396597874133772).

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

202012400304144 is a wasteful number, since it uses less digits than its factorization.

202012400304144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82521405384 (or 82521405375 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 202012400304144 its reverse (441403004210202), we get a palindrome (643415404514346).

The spelling of 202012400304144 in words is "two hundred two trillion, twelve billion, four hundred million, three hundred four thousand, one hundred forty-four".