42450894 has 24 divisors (see below), whose sum is σ = 92137032. Its totient is φ = 14125680.

The previous prime is 42450871. The next prime is 42450907. The reversal of 42450894 is 49805424.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10732 + ... + 14144.

It is an arithmetic number, because the mean of its divisors is an integer number (3839043).

Almost surely, 2^42450894 is an apocalyptic number.

42450894 is an abundant number, since it is smaller than the sum of its proper divisors (49686138).

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

42450894 is a wasteful number, since it uses less digits than its factorization.

42450894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4112 (or 4109 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 42450894 is about 6515.4350583825. The cubic root of 42450894 is about 348.8421439184.

The spelling of 42450894 in words is "forty-two million, four hundred fifty thousand, eight hundred ninety-four".