42352644 has 48 divisors (see below), whose sum is σ = 108259200. Its totient is φ = 12827136.

The previous prime is 42352613. The next prime is 42352663. The reversal of 42352644 is 44625324.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2337 + ... + 9495.

It is an arithmetic number, because the mean of its divisors is an integer number (2255400).

Almost surely, 2^42352644 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 42352644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54129600).

42352644 is an abundant number, since it is smaller than the sum of its proper divisors (65906556).

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

42352644 is a wasteful number, since it uses less digits than its factorization.

42352644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7212 (or 7210 counting only the distinct ones).

The product of its digits is 23040, while the sum is 30.

The square root of 42352644 is about 6507.8909025889. The cubic root of 42352644 is about 348.5728114187.

Adding to 42352644 its reverse (44625324), we get a palindrome (86977968).

The spelling of 42352644 in words is "forty-two million, three hundred fifty-two thousand, six hundred forty-four".