32255975440 has 240 divisors, whose sum is σ = 88331877648. Its totient is φ = 10903486464.

The previous prime is 32255975419. The next prime is 32255975443. The reversal of 32255975440 is 4457955223.

It can be written as a sum of positive squares in 24 ways, for example, as 24115605264 + 8140370176 = 155292^2 + 90224^2 .

It is not an unprimeable number, because it can be changed into a prime (32255975443) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8502184 + ... + 8505976.

Almost surely, 2^32255975440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32255975440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44165938824).

32255975440 is an abundant number, since it is smaller than the sum of its proper divisors (56075902208).

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

32255975440 is a wasteful number, since it uses less digits than its factorization.

32255975440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3886 (or 3867 counting only the distinct ones).

The product of its (nonzero) digits is 1512000, while the sum is 46.

The spelling of 32255975440 in words is "thirty-two billion, two hundred fifty-five million, nine hundred seventy-five thousand, four hundred forty".