140440144422021 has 8 divisors (see below), whose sum is σ = 187335189021600. Its totient is φ = 93585931385232.

The previous prime is 140440144421971. The next prime is 140440144422023. The reversal of 140440144422021 is 120224441044041.

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

It is not a de Polignac number, because 140440144422021 - 2⁶ = 140440144421957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140440144422023) 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, 10207882671 + ... + 10207896428.

It is an arithmetic number, because the mean of its divisors is an integer number (23416898627700).

Almost surely, 2^{140440144422021} is an apocalyptic number.

It is an amenable number.

140440144422021 is a deficient number, since it is larger than the sum of its proper divisors (46895044599579).

140440144422021 is a wasteful number, since it uses less digits than its factorization.

140440144422021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20415781395.

The product of its (nonzero) digits is 32768, while the sum is 33.

Adding to 140440144422021 its reverse (120224441044041), we get a palindrome (260664585466062).

The spelling of 140440144422021 in words is "one hundred forty trillion, four hundred forty billion, one hundred forty-four million, four hundred twenty-two thousand, twenty-one".