42582660 has 96 divisors (see below), whose sum is σ = 126766080. Its totient is φ = 10657152.

The previous prime is 42582649. The next prime is 42582677. The reversal of 42582660 is 6628524.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81159 + ... + 81681.

It is an arithmetic number, because the mean of its divisors is an integer number (1320480).

Almost surely, 2^42582660 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 42582660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63383040).

42582660 is an abundant number, since it is smaller than the sum of its proper divisors (84183420).

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

42582660 is a wasteful number, since it uses less digits than its factorization.

42582660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617 (or 615 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 42582660 is about 6525.5390581928. The cubic root of 42582660 is about 349.2027021463.

The spelling of 42582660 in words is "forty-two million, five hundred eighty-two thousand, six hundred sixty".