42326550 has 120 divisors (see below), whose sum is σ = 134495856. Its totient is φ = 9668160.

The previous prime is 42326539. The next prime is 42326551. The reversal of 42326550 is 5562324.

42326550 is a `hidden beast` number, since 4 + 2 + 3 + 2 + 655 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42326551) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 27604 + ... + 29096.

Almost surely, 2^42326550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42326550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67247928).

42326550 is an abundant number, since it is smaller than the sum of its proper divisors (92169306).

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

42326550 is a wasteful number, since it uses less digits than its factorization.

42326550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1524 (or 1510 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 42326550 is about 6505.8857967228. The cubic root of 42326550 is about 348.5012100049.

Adding to 42326550 its reverse (5562324), we get a palindrome (47888874).

The spelling of 42326550 in words is "forty-two million, three hundred twenty-six thousand, five hundred fifty".