42011404 has 18 divisors (see below), whose sum is σ = 74953340. Its totient is φ = 20603856.

The previous prime is 42011399. The next prime is 42011419. The reversal of 42011404 is 40411024.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9367 + ... + 13105.

Almost surely, 2^42011404 is an apocalyptic number.

It is an amenable number.

42011404 is a deficient number, since it is larger than the sum of its proper divisors (32941936).

42011404 is a wasteful number, since it uses less digits than its factorization.

42011404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3849 (or 3794 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 42011404 is about 6481.6204763932. The cubic root of 42011404 is about 347.6341224415.

Adding to 42011404 its reverse (40411024), we get a palindrome (82422428).

The spelling of 42011404 in words is "forty-two million, eleven thousand, four hundred four".