202144434442 has 8 divisors (see below), whose sum is σ = 316399984416. Its totient is φ = 96677772972.

The previous prime is 202144434413. The next prime is 202144434463. The reversal of 202144434442 is 244434441202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 202144434398 and 202144434407.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2197222068 + ... + 2197222159.

It is an arithmetic number, because the mean of its divisors is an integer number (39549998052).

Almost surely, 2^202144434442 is an apocalyptic number.

202144434442 is a deficient number, since it is larger than the sum of its proper divisors (114255549974).

202144434442 is a wasteful number, since it uses less digits than its factorization.

202144434442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4394444252.

The product of its (nonzero) digits is 98304, while the sum is 34.

Adding to 202144434442 its reverse (244434441202), we get a palindrome (446578875644).

The spelling of 202144434442 in words is "two hundred two billion, one hundred forty-four million, four hundred thirty-four thousand, four hundred forty-two".