32540334440 has 32 divisors (see below), whose sum is σ = 77522563080. Its totient is φ = 12250478592.

The previous prime is 32540334403. The next prime is 32540334461. The reversal of 32540334440 is 4443304523.

It can be written as a sum of positive squares in 4 ways, for example, as 29151464644 + 3388869796 = 170738^2 + 58214^2 .

It is a super-2 number, since 2×32540334440² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 32540334397 and 32540334406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23926037 + ... + 23927396.

Almost surely, 2^32540334440 is an apocalyptic number.

It is an amenable number.

32540334440 is an abundant number, since it is smaller than the sum of its proper divisors (44982228640).

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

32540334440 is a wasteful number, since it uses less digits than its factorization.

32540334440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47853461 (or 47853457 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 32.

Adding to 32540334440 its reverse (4443304523), we get a palindrome (36983638963).

The spelling of 32540334440 in words is "thirty-two billion, five hundred forty million, three hundred thirty-four thousand, four hundred forty".