42404433044 has 12 divisors (see below), whose sum is σ = 74209210068. Its totient is φ = 21201801600.

The previous prime is 42404433037. The next prime is 42404433053. The reversal of 42404433044 is 44033440424.

It can be written as a sum of positive squares in 2 ways, for example, as 33339108100 + 9065324944 = 182590^2 + 95212^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 42404433044.

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, 306314 + ... + 422654.

It is an arithmetic number, because the mean of its divisors is an integer number (6184100839).

Almost surely, 2^42404433044 is an apocalyptic number.

It is an amenable number.

42404433044 is a deficient number, since it is larger than the sum of its proper divisors (31804777024).

42404433044 is a wasteful number, since it uses less digits than its factorization.

42404433044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207466 (or 207464 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 32.

Adding to 42404433044 its reverse (44033440424), we get a palindrome (86437873468).

The spelling of 42404433044 in words is "forty-two billion, four hundred four million, four hundred thirty-three thousand, forty-four".