202134400044 has 24 divisors (see below), whose sum is σ = 472932085248. Its totient is φ = 67194540240.

The previous prime is 202134400037. The next prime is 202134400057. The reversal of 202134400044 is 440004431202.

It is a happy number.

It is a super-2 number, since 2×202134400044² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202134399987 and 202134400023.

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, 22944552 + ... + 22953359.

It is an arithmetic number, because the mean of its divisors is an integer number (19705503552).

Almost surely, 2^202134400044 is an apocalyptic number.

It is an amenable number.

202134400044 is an abundant number, since it is smaller than the sum of its proper divisors (270797685204).

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

202134400044 is a wasteful number, since it uses less digits than its factorization.

202134400044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45898285 (or 45898283 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 202134400044 its reverse (440004431202), we get a palindrome (642138831246).

The spelling of 202134400044 in words is "two hundred two billion, one hundred thirty-four million, four hundred thousand, forty-four".