42236380 has 12 divisors (see below), whose sum is σ = 88696440. Its totient is φ = 16894544.

The previous prime is 42236371. The next prime is 42236399. The reversal of 42236380 is 8363224.

42236380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3 ways as a sum of consecutive naturals, for example, 1055890 + ... + 1055929.

It is an arithmetic number, because the mean of its divisors is an integer number (7391370).

Almost surely, 2^42236380 is an apocalyptic number.

It is an amenable number.

42236380 is an abundant number, since it is smaller than the sum of its proper divisors (46460060).

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

42236380 is a wasteful number, since it uses less digits than its factorization.

42236380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111828 (or 2111826 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 42236380 is about 6498.9522232434. The cubic root of 42236380 is about 348.2535585472.

The spelling of 42236380 in words is "forty-two million, two hundred thirty-six thousand, three hundred eighty".