22132540240 has 80 divisors (see below), whose sum is σ = 51906709008. Its totient is φ = 8776183808.

The previous prime is 22132540229. The next prime is 22132540327. The reversal of 22132540240 is 4204523122.

It can be written as a sum of positive squares in 8 ways, for example, as 9839052864 + 12293487376 = 99192^2 + 110876^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4615284 + ... + 4620076.

Almost surely, 2^22132540240 is an apocalyptic number.

22132540240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22132540240 is an abundant number, since it is smaller than the sum of its proper divisors (29774168768).

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

22132540240 is a wasteful number, since it uses less digits than its factorization.

22132540240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5296 (or 5290 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The spelling of 22132540240 in words is "twenty-two billion, one hundred thirty-two million, five hundred forty thousand, two hundred forty".