42400422044 has 12 divisors (see below), whose sum is σ = 74205435864. Its totient is φ = 21198868944.

The previous prime is 42400422011. The next prime is 42400422083. The reversal of 42400422044 is 44022400424.

42400422044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×42400422044² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262679 + ... + 392174.

It is an arithmetic number, because the mean of its divisors is an integer number (6183786322).

Almost surely, 2^42400422044 is an apocalyptic number.

It is an amenable number.

42400422044 is a deficient number, since it is larger than the sum of its proper divisors (31805013820).

42400422044 is a wasteful number, since it uses less digits than its factorization.

42400422044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671044 (or 671042 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 42400422044 its reverse (44022400424), we get a palindrome (86422822468).

The spelling of 42400422044 in words is "forty-two billion, four hundred million, four hundred twenty-two thousand, forty-four".