42990035 has 16 divisors (see below), whose sum is σ = 58220640. Its totient is φ = 30186240.

The previous prime is 42990011. The next prime is 42990043. The reversal of 42990035 is 53009924.

It is not a de Polignac number, because 42990035 - 2⁶ = 42989971 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42989983 and 42990010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11882 + ... + 15071.

It is an arithmetic number, because the mean of its divisors is an integer number (3638790).

Almost surely, 2^42990035 is an apocalyptic number.

42990035 is a deficient number, since it is larger than the sum of its proper divisors (15230605).

42990035 is a wasteful number, since it uses less digits than its factorization.

42990035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26998.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 42990035 is about 6556.6786561490. The cubic root of 42990035 is about 350.3127408768.

Adding to 42990035 its reverse (53009924), we get a palindrome (95999959).

The spelling of 42990035 in words is "forty-two million, nine hundred ninety thousand, thirty-five".