42445662 has 48 divisors (see below), whose sum is σ = 100465920. Its totient is φ = 11916912.

The previous prime is 42445661. The next prime is 42445709. The reversal of 42445662 is 26654424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42445661) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16123 + ... + 18569.

It is an arithmetic number, because the mean of its divisors is an integer number (2093040).

Almost surely, 2^42445662 is an apocalyptic number.

42445662 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 42445662, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50232960).

42445662 is an abundant number, since it is smaller than the sum of its proper divisors (58020258).

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

42445662 is a wasteful number, since it uses less digits than its factorization.

42445662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2525 (or 2518 counting only the distinct ones).

The product of its digits is 46080, while the sum is 33.

The square root of 42445662 is about 6515.0335379029. The cubic root of 42445662 is about 348.8278119306.

The spelling of 42445662 in words is "forty-two million, four hundred forty-five thousand, six hundred sixty-two".