35840042 has 32 divisors (see below), whose sum is σ = 65671680. Its totient is φ = 14327280.

The previous prime is 35840041. The next prime is 35840059. The reversal of 35840042 is 24004853.

It is a super-2 number, since 2×35840042² = 2569017221123528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 35839993 and 35840020.

It is not an unprimeable number, because it can be changed into a prime (35840041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16817 + ... + 18827.

It is an arithmetic number, because the mean of its divisors is an integer number (2052240).

Almost surely, 2^35840042 is an apocalyptic number.

35840042 is a deficient number, since it is larger than the sum of its proper divisors (29831638).

35840042 is a wasteful number, since it uses less digits than its factorization.

35840042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2106.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 35840042 is about 5986.6553266411. The cubic root of 35840042 is about 329.7029527748.

Adding to 35840042 its reverse (24004853), we get a palindrome (59844895).

The spelling of 35840042 in words is "thirty-five million, eight hundred forty thousand, forty-two".