32440680 has 96 divisors (see below), whose sum is σ = 106633800. Its totient is φ = 8552448.

The previous prime is 32440679. The next prime is 32440687. The reversal of 32440680 is 8604423.

It can be written as a sum of positive squares in 4 ways, for example, as 15350724 + 17089956 = 3918^2 + 4134^2 .

It is not an unprimeable number, because it can be changed into a prime (32440687) 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, 34456 + ... + 35384.

Almost surely, 2^32440680 is an apocalyptic number.

32440680 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 32440680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53316900).

32440680 is an abundant number, since it is smaller than the sum of its proper divisors (74193120).

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

32440680 is a wasteful number, since it uses less digits than its factorization.

32440680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043 (or 1036 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 32440680 is about 5695.6720411203. The cubic root of 32440680 is about 318.9309376409.

The spelling of 32440680 in words is "thirty-two million, four hundred forty thousand, six hundred eighty".