202144210004440 has 64 divisors (see below), whose sum is σ = 496462482612000. Its totient is φ = 73463973488640.

The previous prime is 202144210004423. The next prime is 202144210004447. The reversal of 202144210004440 is 44400012441202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 202144210004399 and 202144210004408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202144210004447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133659585 + ... + 135163504.

Almost surely, 2^{202144210004440} is an apocalyptic number.

202144210004440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202144210004440 is an abundant number, since it is smaller than the sum of its proper divisors (294318272607560).

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

202144210004440 is a wasteful number, since it uses less digits than its factorization.

202144210004440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268824820 (or 268824816 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 202144210004440 its reverse (44400012441202), we get a palindrome (246544222445642).

The spelling of 202144210004440 in words is "two hundred two trillion, one hundred forty-four billion, two hundred ten million, four thousand, four hundred forty".