42051136 has 14 divisors (see below), whose sum is σ = 83445350. Its totient is φ = 21025536.

The previous prime is 42051091. The next prime is 42051151. The reversal of 42051136 is 63115024.

It can be written as a sum of positive squares in only one way, i.e., 37454400 + 4596736 = 6120^2 + 2144^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328461 + ... + 328588.

Almost surely, 2^42051136 is an apocalyptic number.

It is an amenable number.

42051136 is a deficient number, since it is larger than the sum of its proper divisors (41394214).

42051136 is an equidigital number, since it uses as much as digits as its factorization.

42051136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657061 (or 657051 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 42051136 is about 6484.6847263379. The cubic root of 42051136 is about 347.7436787815.

The spelling of 42051136 in words is "forty-two million, fifty-one thousand, one hundred thirty-six".