133432233440 has 48 divisors (see below), whose sum is σ = 343891260720. Its totient is φ = 48520811520.

The previous prime is 133432233391. The next prime is 133432233457. The reversal of 133432233440 is 44332234331.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 133432233397 and 133432233406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37905125 + ... + 37908644.

It is an arithmetic number, because the mean of its divisors is an integer number (7164401265).

Almost surely, 2^133432233440 is an apocalyptic number.

133432233440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133432233440 is an abundant number, since it is smaller than the sum of its proper divisors (210459027280).

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

133432233440 is a wasteful number, since it uses less digits than its factorization.

133432233440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75813795 (or 75813787 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 32.

Adding to 133432233440 its reverse (44332234331), we get a palindrome (177764467771).

The spelling of 133432233440 in words is "one hundred thirty-three billion, four hundred thirty-two million, two hundred thirty-three thousand, four hundred forty".