133232161888440 has 96 divisors (see below), whose sum is σ = 455794238062800. Its totient is φ = 33658651422720.

The previous prime is 133232161888439. The next prime is 133232161888559. The reversal of 133232161888440 is 44888161232331.

133232161888440 is a `hidden beast` number, since 1 + 3 + 3 + 2 + 3 + 2 + 16 + 188 + 8 + 440 = 666.

It is a super-2 number, since 2×133232161888440² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9739186281 + ... + 9739199960.

Almost surely, 2^{133232161888440} is an apocalyptic number.

133232161888440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133232161888440 is an abundant number, since it is smaller than the sum of its proper divisors (322562076174360).

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

133232161888440 is a wasteful number, since it uses less digits than its factorization.

133232161888440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19478386277 (or 19478386270 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 54.

The spelling of 133232161888440 in words is "one hundred thirty-three trillion, two hundred thirty-two billion, one hundred sixty-one million, eight hundred eighty-eight thousand, four hundred forty".