42353340 has 96 divisors (see below), whose sum is σ = 124407360. Its totient is φ = 10752000.

The previous prime is 42353329. The next prime is 42353383. The reversal of 42353340 is 4335324.

It is a self number, because there is not a number n which added to its sum of digits gives 42353340.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 175620 + ... + 175860.

It is an arithmetic number, because the mean of its divisors is an integer number (1295910).

Almost surely, 2^42353340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42353340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62203680).

42353340 is an abundant number, since it is smaller than the sum of its proper divisors (82054020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42353340 is a wasteful number, since it uses less digits than its factorization.

42353340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383 (or 381 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 24.

The square root of 42353340 is about 6507.9443759147. The cubic root of 42353340 is about 348.5747208261.

Adding to 42353340 its reverse (4335324), we get a palindrome (46688664).

The spelling of 42353340 in words is "forty-two million, three hundred fifty-three thousand, three hundred forty".