42669541 has 8 divisors (see below), whose sum is σ = 45321984. Its totient is φ = 40032960.

The previous prime is 42669521. The next prime is 42669551. The reversal of 42669541 is 14596624.

42669541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42669541 - 2⁷ = 42669413 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42669541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42669521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1836 + ... + 9418.

It is an arithmetic number, because the mean of its divisors is an integer number (5665248).

Almost surely, 2^42669541 is an apocalyptic number.

It is an amenable number.

42669541 is a deficient number, since it is larger than the sum of its proper divisors (2652443).

42669541 is a wasteful number, since it uses less digits than its factorization.

42669541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7931.

The product of its digits is 51840, while the sum is 37.

The square root of 42669541 is about 6532.1926640294. The cubic root of 42669541 is about 349.4400324729.

The spelling of 42669541 in words is "forty-two million, six hundred sixty-nine thousand, five hundred forty-one".