42038038404 has 72 divisors (see below), whose sum is σ = 106567657560. Its totient is φ = 13972557312.

The previous prime is 42038038391. The next prime is 42038038421. The reversal of 42038038404 is 40483083024.

It can be written as a sum of positive squares in 4 ways, for example, as 25296266304 + 16741772100 = 159048^2 + 129390^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34204462 + ... + 34205690.

It is an arithmetic number, because the mean of its divisors is an integer number (1480106355).

Almost surely, 2^42038038404 is an apocalyptic number.

It is an amenable number.

42038038404 is an abundant number, since it is smaller than the sum of its proper divisors (64529619156).

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

42038038404 is a wasteful number, since it uses less digits than its factorization.

42038038404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3189 (or 3184 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 36.

The spelling of 42038038404 in words is "forty-two billion, thirty-eight million, thirty-eight thousand, four hundred four".