42425152 has 56 divisors (see below), whose sum is σ = 104973120. Its totient is φ = 16527360.

The previous prime is 42425147. The next prime is 42425171. The reversal of 42425152 is 25152424.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 624 + ... + 9232.

It is an arithmetic number, because the mean of its divisors is an integer number (1874520).

Almost surely, 2^42425152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42425152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52486560).

42425152 is an abundant number, since it is smaller than the sum of its proper divisors (62547968).

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

42425152 is a wasteful number, since it uses less digits than its factorization.

42425152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8639 (or 8629 counting only the distinct ones).

The product of its digits is 3200, while the sum is 25.

The square root of 42425152 is about 6513.4592959502. The cubic root of 42425152 is about 348.7716176440.

Adding to 42425152 its reverse (25152424), we get a palindrome (67577576).

The spelling of 42425152 in words is "forty-two million, four hundred twenty-five thousand, one hundred fifty-two".