202144044432 has 80 divisors (see below), whose sum is σ = 570343138560. Its totient is φ = 61184323200.

The previous prime is 202144044419. The next prime is 202144044433. The reversal of 202144044432 is 234440441202.

It is a self number, because there is not a number n which added to its sum of digits gives 202144044432.

It is not an unprimeable number, because it can be changed into a prime (202144044433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230707 + ... + 676397.

It is an arithmetic number, because the mean of its divisors is an integer number (7129289232).

Almost surely, 2^202144044432 is an apocalyptic number.

202144044432 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202144044432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285171569280).

202144044432 is an abundant number, since it is smaller than the sum of its proper divisors (368199094128).

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

202144044432 is a wasteful number, since it uses less digits than its factorization.

202144044432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446572 (or 446566 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 202144044432 its reverse (234440441202), we get a palindrome (436584485634).

The spelling of 202144044432 in words is "two hundred two billion, one hundred forty-four million, forty-four thousand, four hundred thirty-two".