202454140056 has 96 divisors (see below), whose sum is σ = 588909061440. Its totient is φ = 57830348352.

The previous prime is 202454140043. The next prime is 202454140067. The reversal of 202454140056 is 650041454202.

It is a junction number, because it is equal to n+sod(n) for n = 202454139999 and 202454140026.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5611531 + ... + 5647493.

It is an arithmetic number, because the mean of its divisors is an integer number (6134469390).

Almost surely, 2^202454140056 is an apocalyptic number.

It is an amenable number.

202454140056 is an abundant number, since it is smaller than the sum of its proper divisors (386454921384).

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

202454140056 is a wasteful number, since it uses less digits than its factorization.

202454140056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40773 (or 40762 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 202454140056 its reverse (650041454202), we get a palindrome (852495594258).

The spelling of 202454140056 in words is "two hundred two billion, four hundred fifty-four million, one hundred forty thousand, fifty-six".