42352544 has 48 divisors (see below), whose sum is σ = 91322280. Its totient is φ = 19215360.

The previous prime is 42352537. The next prime is 42352547. The reversal of 42352544 is 44525324.

It can be written as a sum of positive squares in 4 ways, for example, as 17472400 + 24880144 = 4180^2 + 4988^2 .

It is not an unprimeable number, because it can be changed into a prime (42352547) 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, 24542 + ... + 26210.

Almost surely, 2^42352544 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 42352544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45661140).

42352544 is an abundant number, since it is smaller than the sum of its proper divisors (48969736).

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

42352544 is a wasteful number, since it uses less digits than its factorization.

42352544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1753 (or 1745 counting only the distinct ones).

The product of its digits is 19200, while the sum is 29.

The square root of 42352544 is about 6507.8832196037. The cubic root of 42352544 is about 348.5725370769.

Adding to 42352544 its reverse (44525324), we get a palindrome (86877868).

The spelling of 42352544 in words is "forty-two million, three hundred fifty-two thousand, five hundred forty-four".