144040004202321 has 24 divisors (see below), whose sum is σ = 209374272946280. Its totient is φ = 95420193785856.

The previous prime is 144040004202247. The next prime is 144040004202359. The reversal of 144040004202321 is 123202400040441.

144040004202321 is a `hidden beast` number, since 1 + 4 + 4 + 0 + 4 + 0 + 0 + 0 + 420 + 232 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 5880314604096 + 138159689598225 = 2424936^2 + 11754135^2 .

It is not a de Polignac number, because 144040004202321 - 2¹³ = 144040004194129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144040004202371) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45754066 + ... + 48800763.

Almost surely, 2^{144040004202321} is an apocalyptic number.

It is an amenable number.

144040004202321 is a deficient number, since it is larger than the sum of its proper divisors (65334268743959).

144040004202321 is a wasteful number, since it uses less digits than its factorization.

144040004202321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94555905 (or 94555902 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 144040004202321 its reverse (123202400040441), we get a palindrome (267242404242762).

The spelling of 144040004202321 in words is "one hundred forty-four trillion, forty billion, four million, two hundred two thousand, three hundred twenty-one".