42919004 has 24 divisors (see below), whose sum is σ = 78422400. Its totient is φ = 20528640.

The previous prime is 42918971. The next prime is 42919007. The reversal of 42919004 is 40091924.

42919004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42919007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9092 + ... + 12980.

It is an arithmetic number, because the mean of its divisors is an integer number (3267600).

Almost surely, 2^42919004 is an apocalyptic number.

It is an amenable number.

42919004 is a deficient number, since it is larger than the sum of its proper divisors (35503396).

42919004 is a wasteful number, since it uses less digits than its factorization.

42919004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4013 (or 4011 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 42919004 is about 6551.2597261901. The cubic root of 42919004 is about 350.1196978349.

The spelling of 42919004 in words is "forty-two million, nine hundred nineteen thousand, four".