42385956 has 24 divisors (see below), whose sum is σ = 99423744. Its totient is φ = 14053920.

The previous prime is 42385951. The next prime is 42385991. The reversal of 42385956 is 65958324.

It is not an unprimeable number, because it can be changed into a prime (42385951) 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, 6955 + ... + 11538.

It is an arithmetic number, because the mean of its divisors is an integer number (4142656).

Almost surely, 2^42385956 is an apocalyptic number.

It is an amenable number.

42385956 is an abundant number, since it is smaller than the sum of its proper divisors (57037788).

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

42385956 is a wasteful number, since it uses less digits than its factorization.

42385956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18691 (or 18689 counting only the distinct ones).

The product of its digits is 259200, while the sum is 42.

The square root of 42385956 is about 6510.4497540493. The cubic root of 42385956 is about 348.6641761553.

The spelling of 42385956 in words is "forty-two million, three hundred eighty-five thousand, nine hundred fifty-six".