42004054 has 16 divisors (see below), whose sum is σ = 64276992. Its totient is φ = 20582208.

The previous prime is 42004013. The next prime is 42004069. The reversal of 42004054 is 45040024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24427 + ... + 26089.

It is an arithmetic number, because the mean of its divisors is an integer number (4017312).

Almost surely, 2^42004054 is an apocalyptic number.

42004054 is a deficient number, since it is larger than the sum of its proper divisors (22272938).

42004054 is a wasteful number, since it uses less digits than its factorization.

42004054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1911.

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 42004054 is about 6481.0534637511. The cubic root of 42004054 is about 347.6138481066.

Adding to 42004054 its reverse (45040024), we get a palindrome (87044078).

The spelling of 42004054 in words is "forty-two million, four thousand, fifty-four", and thus it is an eban number.