35240042 has 4 divisors (see below), whose sum is σ = 52860066. Its totient is φ = 17620020.

The previous prime is 35240039. The next prime is 35240047. The reversal of 35240042 is 24004253.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 34916281 + 323761 = 5909^2 + 569^2 .

It is a junction number, because it is equal to n+sod(n) for n = 35239996 and 35240023.

It is not an unprimeable number, because it can be changed into a prime (35240047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8810009 + ... + 8810012.

Almost surely, 2^35240042 is an apocalyptic number.

35240042 is a deficient number, since it is larger than the sum of its proper divisors (17620024).

35240042 is a wasteful number, since it uses less digits than its factorization.

35240042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17620023.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 35240042 is about 5936.3323694012. The cubic root of 35240042 is about 327.8527310817.

Adding to 35240042 its reverse (24004253), we get a palindrome (59244295).

The spelling of 35240042 in words is "thirty-five million, two hundred forty thousand, forty-two".