42443400461631 has 8 divisors (see below), whose sum is σ = 60944369893680. Its totient is φ = 26119015668672.

The previous prime is 42443400461617. The next prime is 42443400461677. The reversal of 42443400461631 is 13616400434424.

It is a happy number.

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

It is not a de Polignac number, because 42443400461631 - 2¹⁰ = 42443400460607 is a prime.

It is a super-2 number, since 2×42443400461631² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42443400461731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 544146159726 + ... + 544146159803.

It is an arithmetic number, because the mean of its divisors is an integer number (7618046236710).

Almost surely, 2^{42443400461631} is an apocalyptic number.

42443400461631 is a deficient number, since it is larger than the sum of its proper divisors (18500969432049).

42443400461631 is a wasteful number, since it uses less digits than its factorization.

42443400461631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1088292319545.

The product of its (nonzero) digits is 663552, while the sum is 42.

The spelling of 42443400461631 in words is "forty-two trillion, four hundred forty-three billion, four hundred million, four hundred sixty-one thousand, six hundred thirty-one".