133642224440 has 64 divisors (see below), whose sum is σ = 318454869600. Its totient is φ = 50301001728.

The previous prime is 133642224439. The next prime is 133642224449. The reversal of 133642224440 is 44422246331.

It is a self number, because there is not a number n which added to its sum of digits gives 133642224440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133642224449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3371456 + ... + 3410864.

Almost surely, 2^133642224440 is an apocalyptic number.

133642224440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133642224440 is an abundant number, since it is smaller than the sum of its proper divisors (184812645160).

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

133642224440 is a wasteful number, since it uses less digits than its factorization.

133642224440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44424 (or 44420 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 35.

The spelling of 133642224440 in words is "one hundred thirty-three billion, six hundred forty-two million, two hundred twenty-four thousand, four hundred forty".