42439350 has 48 divisors (see below), whose sum is σ = 110796480. Its totient is φ = 10720800.

The previous prime is 42439307. The next prime is 42439381. The reversal of 42439350 is 5393424.

42439350 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4596 + ... + 10295.

It is an arithmetic number, because the mean of its divisors is an integer number (2308260).

Almost surely, 2^42439350 is an apocalyptic number.

42439350 is an abundant number, since it is smaller than the sum of its proper divisors (68357130).

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

42439350 is a wasteful number, since it uses less digits than its factorization.

42439350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14925 (or 14920 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 42439350 is about 6514.5491018182. The cubic root of 42439350 is about 348.8105199374.

The spelling of 42439350 in words is "forty-two million, four hundred thirty-nine thousand, three hundred fifty".