42440343430100 has 432 divisors, whose sum is σ = 117056052516480. Its totient is φ = 12974411520000.

The previous prime is 42440343430049. The next prime is 42440343430103. The reversal of 42440343430100 is 103434304424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42440343430103) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 8561696822 + ... + 8561701778.

Almost surely, 2^{42440343430100} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42440343430100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58528026258240).

42440343430100 is an abundant number, since it is smaller than the sum of its proper divisors (74615709086380).

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

42440343430100 is a wasteful number, since it uses less digits than its factorization.

42440343430100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5300 (or 5192 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 42440343430100 its reverse (103434304424), we get a palindrome (42543777734524).

The spelling of 42440343430100 in words is "forty-two trillion, four hundred forty billion, three hundred forty-three million, four hundred thirty thousand, one hundred".