32442660 has 96 divisors (see below), whose sum is σ = 102439680. Its totient is φ = 8522496.

The previous prime is 32442649. The next prime is 32442661. The reversal of 32442660 is 6624423.

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

It is not an unprimeable number, because it can be changed into a prime (32442661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39009 + ... + 39831.

It is an arithmetic number, because the mean of its divisors is an integer number (1067080).

Almost surely, 2^32442660 is an apocalyptic number.

32442660 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32442660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51219840).

32442660 is an abundant number, since it is smaller than the sum of its proper divisors (69997020).

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

32442660 is a wasteful number, since it uses less digits than its factorization.

32442660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914 (or 906 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 32442660 is about 5695.8458546558. The cubic root of 32442660 is about 318.9374261034.

The spelling of 32442660 in words is "thirty-two million, four hundred forty-two thousand, six hundred sixty".