42339960 has 192 divisors, whose sum is σ = 151351200. Its totient is φ = 10202112.

The previous prime is 42339953. The next prime is 42339967. The reversal of 42339960 is 6993324.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42339953) and next prime (42339967).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42339967) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 388386 + ... + 388494.

Almost surely, 2^42339960 is an apocalyptic number.

42339960 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42339960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75675600).

42339960 is an abundant number, since it is smaller than the sum of its proper divisors (109011240).

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

42339960 is a wasteful number, since it uses less digits than its factorization.

42339960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The square root of 42339960 is about 6506.9163203471. The cubic root of 42339960 is about 348.5380104511.

The spelling of 42339960 in words is "forty-two million, three hundred thirty-nine thousand, nine hundred sixty".