32130340240 has 40 divisors (see below), whose sum is σ = 74711077560. Its totient is φ = 12850753536.

The previous prime is 32130340157. The next prime is 32130340261. The reversal of 32130340240 is 4204303123.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3068273664 + 29062066576 = 55392^2 + 170476^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1068126 + ... + 1097794.

It is an arithmetic number, because the mean of its divisors is an integer number (1867776939).

Almost surely, 2^32130340240 is an apocalyptic number.

It is an amenable number.

32130340240 is an abundant number, since it is smaller than the sum of its proper divisors (42580737320).

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

32130340240 is a wasteful number, since it uses less digits than its factorization.

32130340240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43219 (or 43213 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 32130340240 its reverse (4204303123), we get a palindrome (36334643363).

The spelling of 32130340240 in words is "thirty-two billion, one hundred thirty million, three hundred forty thousand, two hundred forty".