32120454243432 has 128 divisors (see below), whose sum is σ = 84802881208320. Its totient is φ = 10125096576000.

The previous prime is 32120454243413. The next prime is 32120454243457. The reversal of 32120454243432 is 23434245402123.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3278557 + ... + 8659667.

It is an arithmetic number, because the mean of its divisors is an integer number (662522509440).

Almost surely, 2^{32120454243432} 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 32120454243432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42401440604160).

32120454243432 is an abundant number, since it is smaller than the sum of its proper divisors (52682426964888).

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

32120454243432 is a wasteful number, since it uses less digits than its factorization.

32120454243432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5381335 (or 5381331 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 39.

Adding to 32120454243432 its reverse (23434245402123), we get a palindrome (55554699645555).

The spelling of 32120454243432 in words is "thirty-two trillion, one hundred twenty billion, four hundred fifty-four million, two hundred forty-three thousand, four hundred thirty-two".