65486442 has 48 divisors (see below), whose sum is σ = 153029952. Its totient is φ = 18627840.

The previous prime is 65486441. The next prime is 65486453. The reversal of 65486442 is 24468456.

It is a self number, because there is not a number n which added to its sum of digits gives 65486442.

It is not an unprimeable number, because it can be changed into a prime (65486441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103467 + ... + 104097.

It is an arithmetic number, because the mean of its divisors is an integer number (3188124).

Almost surely, 2^65486442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65486442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76514976).

65486442 is an abundant number, since it is smaller than the sum of its proper divisors (87543510).

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

65486442 is a wasteful number, since it uses less digits than its factorization.

65486442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003 (or 996 counting only the distinct ones).

The product of its digits is 184320, while the sum is 39.

The square root of 65486442 is about 8092.3693687325. The cubic root of 65486442 is about 403.0730840902.

The spelling of 65486442 in words is "sixty-five million, four hundred eighty-six thousand, four hundred forty-two".