42054404 has 12 divisors (see below), whose sum is σ = 84108864. Its totient is φ = 18023304.

The previous prime is 42054361. The next prime is 42054407. The reversal of 42054404 is 40445024.

42054404 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 42054404.

It is not an unprimeable number, because it can be changed into a prime (42054407) 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, 750944 + ... + 750999.

It is an arithmetic number, because the mean of its divisors is an integer number (7009072).

Almost surely, 2^42054404 is an apocalyptic number.

It is an amenable number.

42054404 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.

42054404 is a wasteful number, since it uses less digits than its factorization.

42054404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501954 (or 1501952 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 42054404 is about 6484.9366997682. The cubic root of 42054404 is about 347.7526868370.

Adding to 42054404 its reverse (40445024), we get a palindrome (82499428).

The spelling of 42054404 in words is "forty-two million, fifty-four thousand, four hundred four".