42440976 has 80 divisors (see below), whose sum is σ = 129009600. Its totient is φ = 13312512.

The previous prime is 42440963. The next prime is 42440977. The reversal of 42440976 is 67904424.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 42440976.

It is not an unprimeable number, because it can be changed into a prime (42440977) 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, 4455 + ... + 10233.

It is an arithmetic number, because the mean of its divisors is an integer number (1612620).

Almost surely, 2^42440976 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 42440976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64504800).

42440976 is an abundant number, since it is smaller than the sum of its proper divisors (86568624).

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

42440976 is a wasteful number, since it uses less digits than its factorization.

42440976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5813 (or 5801 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 42440976 is about 6514.6738982086. The cubic root of 42440976 is about 348.8149745977.

The spelling of 42440976 in words is "forty-two million, four hundred forty thousand, nine hundred seventy-six".