42411578 has 16 divisors (see below), whose sum is σ = 70879104. Its totient is φ = 18867360.

The previous prime is 42411571. The next prime is 42411587. The reversal of 42411578 is 87511424.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42411571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19475 + ... + 21542.

It is an arithmetic number, because the mean of its divisors is an integer number (4429944).

Almost surely, 2^42411578 is an apocalyptic number.

42411578 is a deficient number, since it is larger than the sum of its proper divisors (28467526).

42411578 is a wasteful number, since it uses less digits than its factorization.

42411578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41077.

The product of its digits is 8960, while the sum is 32.

The square root of 42411578 is about 6512.4172163644. The cubic root of 42411578 is about 348.7344169842.

The spelling of 42411578 in words is "forty-two million, four hundred eleven thousand, five hundred seventy-eight".