42353320 has 32 divisors (see below), whose sum is σ = 96373800. Its totient is φ = 16749568.

The previous prime is 42353317. The next prime is 42353329. The reversal of 42353320 is 2335324.

It can be written as a sum of positive squares in 4 ways, for example, as 39262756 + 3090564 = 6266^2 + 1758^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42353291 and 42353300.

It is not an unprimeable number, because it can be changed into a prime (42353329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2389 + ... + 9508.

Almost surely, 2^42353320 is an apocalyptic number.

42353320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42353320 is an abundant number, since it is smaller than the sum of its proper divisors (54020480).

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

42353320 is a wasteful number, since it uses less digits than its factorization.

42353320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11997 (or 11993 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 22.

The square root of 42353320 is about 6507.9428393310. The cubic root of 42353320 is about 348.5746659583.

Adding to 42353320 its reverse (2335324), we get a palindrome (44688644).

The spelling of 42353320 in words is "forty-two million, three hundred fifty-three thousand, three hundred twenty".