42342435 has 48 divisors (see below), whose sum is σ = 76677120. Its totient is φ = 21591360.

The previous prime is 42342403. The next prime is 42342439. The reversal of 42342435 is 53424324.

It is not a de Polignac number, because 42342435 - 2⁵ = 42342403 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42342399 and 42342408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42342439) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 177046 + ... + 177284.

It is an arithmetic number, because the mean of its divisors is an integer number (1597440).

Almost surely, 2^42342435 is an apocalyptic number.

42342435 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42342435 is a deficient number, since it is larger than the sum of its proper divisors (34334685).

42342435 is a wasteful number, since it uses less digits than its factorization.

42342435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408 (or 405 counting only the distinct ones).

The product of its digits is 11520, while the sum is 27.

The square root of 42342435 is about 6507.1064998200. The cubic root of 42342435 is about 348.5448016303.

Adding to 42342435 its reverse (53424324), we get a palindrome (95766759).

The spelling of 42342435 in words is "forty-two million, three hundred forty-two thousand, four hundred thirty-five".