42143423334432 has 96 divisors (see below), whose sum is σ = 129010479696000. Its totient is φ = 12040978086144.

The previous prime is 42143423334377. The next prime is 42143423334437. The reversal of 42143423334432 is 23443332434124.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (42143423334437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 639900007 + ... + 639965862.

It is an arithmetic number, because the mean of its divisors is an integer number (1343859163500).

Almost surely, 2^{42143423334432} is an apocalyptic number.

42143423334432 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

42143423334432 is an abundant number, since it is smaller than the sum of its proper divisors (86867056361568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42143423334432 is a wasteful number, since it uses less digits than its factorization.

42143423334432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279865903 (or 1279865881 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 42.

Adding to 42143423334432 its reverse (23443332434124), we get a palindrome (65586755768556).

The spelling of 42143423334432 in words is "forty-two trillion, one hundred forty-three billion, four hundred twenty-three million, three hundred thirty-four thousand, four hundred thirty-two".