42240034044 has 36 divisors (see below), whose sum is σ = 114986760616. Its totient is φ = 12996933408.

The previous prime is 42240034027. The next prime is 42240034051. The reversal of 42240034044 is 44043004224.

It is a happy number.

42240034044 is a `hidden beast` number, since 42 + 240 + 0 + 340 + 44 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 42240033999 and 42240034017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45127774 + ... + 45128709.

Almost surely, 2^42240034044 is an apocalyptic number.

It is an amenable number.

42240034044 is an abundant number, since it is smaller than the sum of its proper divisors (72746726572).

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

42240034044 is a wasteful number, since it uses less digits than its factorization.

42240034044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90256506 (or 90256501 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

Adding to 42240034044 its reverse (44043004224), we get a palindrome (86283038268).

The spelling of 42240034044 in words is "forty-two billion, two hundred forty million, thirty-four thousand, forty-four".