32130503440 has 60 divisors (see below), whose sum is σ = 86899907916. Its totient is φ = 11016171264.

The previous prime is 32130503437. The next prime is 32130503491. The reversal of 32130503440 is 4430503123.

It can be written as a sum of positive squares in 2 ways, for example, as 24726933504 + 7403569936 = 157248^2 + 86044^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4094359 + ... + 4102198.

Almost surely, 2^32130503440 is an apocalyptic number.

It is an amenable number.

32130503440 is an abundant number, since it is smaller than the sum of its proper divisors (54769404476).

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

32130503440 is a wasteful number, since it uses less digits than its factorization.

32130503440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8196584 (or 8196571 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The spelling of 32130503440 in words is "thirty-two billion, one hundred thirty million, five hundred three thousand, four hundred forty".