42526418 has 24 divisors (see below), whose sum is σ = 74247516. Its totient is φ = 18191360.

The previous prime is 42526409. The next prime is 42526423. The reversal of 42526418 is 81462524.

It can be written as a sum of positive squares in 2 ways, for example, as 41692849 + 833569 = 6457^2 + 913^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1055 + ... + 9282.

Almost surely, 2^42526418 is an apocalyptic number.

42526418 is a deficient number, since it is larger than the sum of its proper divisors (31721098).

42526418 is a wasteful number, since it uses less digits than its factorization.

42526418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10378 (or 10367 counting only the distinct ones).

The product of its digits is 15360, while the sum is 32.

The square root of 42526418 is about 6521.2282585415. The cubic root of 42526418 is about 349.0488953204.

The spelling of 42526418 in words is "forty-two million, five hundred twenty-six thousand, four hundred eighteen".