42010505404 has 12 divisors (see below), whose sum is σ = 84021010864. Its totient is φ = 18004502304.

The previous prime is 42010505401. The next prime is 42010505413. The reversal of 42010505404 is 40450501024.

It is a happy number.

42010505404 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42010505401) 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, 750187569 + ... + 750187624.

Almost surely, 2^42010505404 is an apocalyptic number.

It is an amenable number.

42010505404 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42010505404 is a wasteful number, since it uses less digits than its factorization.

42010505404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500375204 (or 1500375202 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The spelling of 42010505404 in words is "forty-two billion, ten million, five hundred five thousand, four hundred four".