42400244444 has 12 divisors (see below), whose sum is σ = 74259372600. Its totient is φ = 21183280848.

The previous prime is 42400244443. The next prime is 42400244479. The reversal of 42400244444 is 44444200424.

42400244444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 42400244444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42400244443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4204679 + ... + 4214750.

It is an arithmetic number, because the mean of its divisors is an integer number (6188281050).

Almost surely, 2^42400244444 is an apocalyptic number.

It is an amenable number.

42400244444 is a deficient number, since it is larger than the sum of its proper divisors (31859128156).

42400244444 is a wasteful number, since it uses less digits than its factorization.

42400244444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8420692 (or 8420690 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 42400244444 its reverse (44444200424), we get a palindrome (86844444868).

The spelling of 42400244444 in words is "forty-two billion, four hundred million, two hundred forty-four thousand, four hundred forty-four".