40321332133432 has 96 divisors (see below), whose sum is σ = 89680417535520. Its totient is φ = 16647054681600.

The previous prime is 40321332133427. The next prime is 40321332133451. The reversal of 40321332133432 is 23433123312304.

It is a happy number.

It is a super-3 number, since 3×40321332133432³ (a number of 42 digits) contains 333 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, 5139358 + ... + 10346770.

It is an arithmetic number, because the mean of its divisors is an integer number (934171015995).

Almost surely, 2^{40321332133432} 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 40321332133432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44840208767760).

40321332133432 is an abundant number, since it is smaller than the sum of its proper divisors (49359085402088).

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

40321332133432 is a wasteful number, since it uses less digits than its factorization.

40321332133432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5207601 (or 5207560 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 34.

Adding to 40321332133432 its reverse (23433123312304), we get a palindrome (63754455445736).

The spelling of 40321332133432 in words is "forty trillion, three hundred twenty-one billion, three hundred thirty-two million, one hundred thirty-three thousand, four hundred thirty-two".