42902042 has 8 divisors (see below), whose sum is σ = 64524000. Its totient is φ = 21394044.

The previous prime is 42902021. The next prime is 42902051. The reversal of 42902042 is 24020924.

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

It is a junction number, because it is equal to n+sod(n) for n = 42901999 and 42902017.

It is an unprimeable number.

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, 27542 + ... + 29057.

It is an arithmetic number, because the mean of its divisors is an integer number (8065500).

Almost surely, 2^42902042 is an apocalyptic number.

42902042 is a deficient number, since it is larger than the sum of its proper divisors (21621958).

42902042 is a wasteful number, since it uses less digits than its factorization.

42902042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56980.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 42902042 is about 6549.9650380746. The cubic root of 42902042 is about 350.0735682087.

Adding to 42902042 its reverse (24020924), we get a palindrome (66922966).

The spelling of 42902042 in words is "forty-two million, nine hundred two thousand, forty-two".