42236560 has 80 divisors (see below), whose sum is σ = 102493440. Its totient is φ = 16174080.

The previous prime is 42236549. The next prime is 42236567. The reversal of 42236560 is 6563224.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (42236567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259039 + ... + 259201.

It is an arithmetic number, because the mean of its divisors is an integer number (1281168).

Almost surely, 2^42236560 is an apocalyptic number.

42236560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42236560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51246720).

42236560 is an abundant number, since it is smaller than the sum of its proper divisors (60256880).

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

42236560 is a wasteful number, since it uses less digits than its factorization.

42236560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296 (or 290 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 42236560 is about 6498.9660716148. The cubic root of 42236560 is about 348.2540532673.

Adding to 42236560 its reverse (6563224), we get a palindrome (48799784).

The spelling of 42236560 in words is "forty-two million, two hundred thirty-six thousand, five hundred sixty".