32241640 has 16 divisors (see below), whose sum is σ = 72543780. Its totient is φ = 12896640.

The previous prime is 32241637. The next prime is 32241661. The reversal of 32241640 is 4614223.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 30758116 + 1483524 = 5546^2 + 1218^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 402981 + ... + 403060.

Almost surely, 2^32241640 is an apocalyptic number.

It is an amenable number.

32241640 is an abundant number, since it is smaller than the sum of its proper divisors (40302140).

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

32241640 is a wasteful number, since it uses less digits than its factorization.

32241640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806052 (or 806048 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 32241640 is about 5678.1722411353. The cubic root of 32241640 is about 318.2773314739.

Adding to 32241640 its reverse (4614223), we get a palindrome (36855863).

The spelling of 32241640 in words is "thirty-two million, two hundred forty-one thousand, six hundred forty".