42143204444 has 48 divisors (see below), whose sum is σ = 81824450400. Its totient is φ = 18830380800.

The previous prime is 42143204437. The next prime is 42143204449. The reversal of 42143204444 is 44440234124.

It is a self number, because there is not a number n which added to its sum of digits gives 42143204444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42143204449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5549402 + ... + 5556990.

It is an arithmetic number, because the mean of its divisors is an integer number (1704676050).

Almost surely, 2^42143204444 is an apocalyptic number.

42143204444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42143204444 is a deficient number, since it is larger than the sum of its proper divisors (39681245956).

42143204444 is a wasteful number, since it uses less digits than its factorization.

42143204444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9734 (or 9732 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 42143204444 its reverse (44440234124), we get a palindrome (86583438568).

The spelling of 42143204444 in words is "forty-two billion, one hundred forty-three million, two hundred four thousand, four hundred forty-four".