42060404 has 6 divisors (see below), whose sum is σ = 73605714. Its totient is φ = 21030200.

The previous prime is 42060401. The next prime is 42060409. The reversal of 42060404 is 40406024.

It can be written as a sum of positive squares in only one way, i.e., 24403600 + 17656804 = 4940^2 + 4202^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42060401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5257547 + ... + 5257554.

It is an arithmetic number, because the mean of its divisors is an integer number (12267619).

Almost surely, 2^42060404 is an apocalyptic number.

It is an amenable number.

42060404 is a deficient number, since it is larger than the sum of its proper divisors (31545310).

42060404 is a wasteful number, since it uses less digits than its factorization.

42060404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10515105 (or 10515103 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 42060404 is about 6485.3992937983. The cubic root of 42060404 is about 347.7692242798.

Adding to 42060404 its reverse (40406024), we get a palindrome (82466428).

The spelling of 42060404 in words is "forty-two million, sixty thousand, four hundred four".