442431110413021 has 8 divisors (see below), whose sum is σ = 442465430357504. Its totient is φ = 442396791199440.

The previous prime is 442431110412971. The next prime is 442431110413031. The reversal of 442431110413021 is 120314011134244.

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 442431110413021 - 2⁹ = 442431110412509 is a prime.

It is a super-2 number, since 2×442431110413021² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442431110413031) 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, 2046923671 + ... + 2047139803.

It is an arithmetic number, because the mean of its divisors is an integer number (55308178794688).

Almost surely, 2^{442431110413021} is an apocalyptic number.

It is an amenable number.

442431110413021 is a deficient number, since it is larger than the sum of its proper divisors (34319944483).

442431110413021 is a wasteful number, since it uses less digits than its factorization.

442431110413021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365451.

The product of its (nonzero) digits is 9216, while the sum is 31.

Adding to 442431110413021 its reverse (120314011134244), we get a palindrome (562745121547265).

The spelling of 442431110413021 in words is "four hundred forty-two trillion, four hundred thirty-one billion, one hundred ten million, four hundred thirteen thousand, twenty-one".