42141636 has 36 divisors (see below), whose sum is σ = 106736812. Its totient is φ = 14019264.

The previous prime is 42141607. The next prime is 42141643. The reversal of 42141636 is 63614124.

42141636 is a `hidden beast` number, since 4 + 21 + 4 + 1 + 636 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 27625536 + 14516100 = 5256^2 + 3810^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a nude number because it is divisible by every one of its digits.

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, 25590 + ... + 27186.

Almost surely, 2^42141636 is an apocalyptic number.

It is an amenable number.

42141636 is an abundant number, since it is smaller than the sum of its proper divisors (64595176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42141636 is a wasteful number, since it uses less digits than its factorization.

42141636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2340 (or 2335 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 42141636 is about 6491.6589559218. The cubic root of 42141636 is about 347.9929645823.

The spelling of 42141636 in words is "forty-two million, one hundred forty-one thousand, six hundred thirty-six".