42050902 has 8 divisors (see below), whose sum is σ = 63267912. Its totient is φ = 20961600.

The previous prime is 42050891. The next prime is 42050909. The reversal of 42050902 is 20905024.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42050909) 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, 31099 + ... + 32422.

It is an arithmetic number, because the mean of its divisors is an integer number (7908489).

Almost surely, 2^42050902 is an apocalyptic number.

42050902 is a deficient number, since it is larger than the sum of its proper divisors (21217010).

42050902 is a wasteful number, since it uses less digits than its factorization.

42050902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63854.

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

The square root of 42050902 is about 6484.6666838011. Note that the first 4 decimals coincide. The cubic root of 42050902 is about 347.7430337559.

Adding to 42050902 its reverse (20905024), we get a palindrome (62955926).

The spelling of 42050902 in words is "forty-two million, fifty thousand, nine hundred two".