144040020010021 has 8 divisors (see below), whose sum is σ = 144124088134400. Its totient is φ = 143955954367200.

The previous prime is 144040020010013. The next prime is 144040020010043. The reversal of 144040020010021 is 120010020040441.

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

It is a cyclic number.

It is not a de Polignac number, because 144040020010021 - 2³ = 144040020010013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144040020010091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122635225 + ... + 123804193.

It is an arithmetic number, because the mean of its divisors is an integer number (18015511016800).

Almost surely, 2^{144040020010021} is an apocalyptic number.

It is an amenable number.

144040020010021 is a deficient number, since it is larger than the sum of its proper divisors (84068124379).

144040020010021 is a wasteful number, since it uses less digits than its factorization.

144040020010021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240779.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 144040020010021 its reverse (120010020040441), we get a palindrome (264050040050462).

The spelling of 144040020010021 in words is "one hundred forty-four trillion, forty billion, twenty million, ten thousand, twenty-one".