42400030444 has 12 divisors (see below), whose sum is σ = 76009810968. Its totient is φ = 20682941600.

The previous prime is 42400030423. The next prime is 42400030447. The reversal of 42400030444 is 44403000424.

It is not an unprimeable number, because it can be changed into a prime (42400030447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129268222 + ... + 129268549.

It is an arithmetic number, because the mean of its divisors is an integer number (6334150914).

Almost surely, 2^42400030444 is an apocalyptic number.

It is an amenable number.

42400030444 is a deficient number, since it is larger than the sum of its proper divisors (33609780524).

42400030444 is a wasteful number, since it uses less digits than its factorization.

42400030444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258536816 (or 258536814 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 42400030444 its reverse (44403000424), we get a palindrome (86803030868).

The spelling of 42400030444 in words is "forty-two billion, four hundred million, thirty thousand, four hundred forty-four".