42881411 has 4 divisors (see below), whose sum is σ = 43194552. Its totient is φ = 42568272.

The previous prime is 42881389. The next prime is 42881413. The reversal of 42881411 is 11418824.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42881411 - 2¹⁸ = 42619267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42881413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156365 + ... + 156638.

It is an arithmetic number, because the mean of its divisors is an integer number (10798638).

Almost surely, 2^42881411 is an apocalyptic number.

42881411 is a deficient number, since it is larger than the sum of its proper divisors (313141).

42881411 is a wasteful number, since it uses less digits than its factorization.

42881411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313140.

The product of its digits is 2048, while the sum is 29.

The square root of 42881411 is about 6548.3899547904. The cubic root of 42881411 is about 350.0174440285.

The spelling of 42881411 in words is "forty-two million, eight hundred eighty-one thousand, four hundred eleven".