42425390 has 16 divisors (see below), whose sum is σ = 87275232. Its totient is φ = 14545824.

The previous prime is 42425381. The next prime is 42425417. The reversal of 42425390 is 9352424.

42425390 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 7 ways as a sum of consecutive naturals, for example, 302969 + ... + 303108.

It is an arithmetic number, because the mean of its divisors is an integer number (5454702).

Almost surely, 2^42425390 is an apocalyptic number.

42425390 is an abundant number, since it is smaller than the sum of its proper divisors (44849842).

42425390 is a wasteful number, since it uses less digits than its factorization.

42425390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606091.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 42425390 is about 6513.4775657862. The cubic root of 42425390 is about 348.7722698317.

The spelling of 42425390 in words is "forty-two million, four hundred twenty-five thousand, three hundred ninety".