42252752 has 40 divisors (see below), whose sum is σ = 89494272. Its totient is φ = 19238400.

The previous prime is 42252737. The next prime is 42252761. The reversal of 42252752 is 25725224.

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, 5927 + ... + 10937.

Almost surely, 2^42252752 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 42252752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44747136).

42252752 is an abundant number, since it is smaller than the sum of its proper divisors (47241520).

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

42252752 is a wasteful number, since it uses less digits than its factorization.

42252752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5067 (or 5061 counting only the distinct ones).

The product of its digits is 11200, while the sum is 29.

The square root of 42252752 is about 6500.2116888606. The cubic root of 42252752 is about 348.2985503349.

Adding to 42252752 its reverse (25725224), we get a palindrome (67977976).

The spelling of 42252752 in words is "forty-two million, two hundred fifty-two thousand, seven hundred fifty-two".