42147441 has 24 divisors (see below), whose sum is σ = 70091840. Its totient is φ = 23906016.

The previous prime is 42147421. The next prime is 42147451. The reversal of 42147441 is 14474124.

42147441 is a `hidden beast` number, since 4 + 214 + 7 + 441 = 666.

It is not a de Polignac number, because 42147441 - 2⁵ = 42147409 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42147421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6351 + ... + 11163.

Almost surely, 2^42147441 is an apocalyptic number.

It is an amenable number.

42147441 is a deficient number, since it is larger than the sum of its proper divisors (27944399).

42147441 is a wasteful number, since it uses less digits than its factorization.

42147441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4965 (or 4962 counting only the distinct ones).

The product of its digits is 3584, while the sum is 27.

The square root of 42147441 is about 6492.1060527382. The cubic root of 42147441 is about 348.0089424971.

The spelling of 42147441 in words is "forty-two million, one hundred forty-seven thousand, four hundred forty-one".