32113442432540 has 96 divisors (see below), whose sum is σ = 81178817932800. Its totient is φ = 10424388268800.

The previous prime is 32113442432503. The next prime is 32113442432579. The reversal of 32113442432540 is 4523424431123.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 32113442432494 and 32113442432503.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 578090 + ... + 8034990.

It is an arithmetic number, because the mean of its divisors is an integer number (845612686800).

Almost surely, 2^{32113442432540} 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 32113442432540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40589408966400).

32113442432540 is an abundant number, since it is smaller than the sum of its proper divisors (49065375500260).

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

32113442432540 is a wasteful number, since it uses less digits than its factorization.

32113442432540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7458555 (or 7458553 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 38.

Adding to 32113442432540 its reverse (4523424431123), we get a palindrome (36636866863663).

The spelling of 32113442432540 in words is "thirty-two trillion, one hundred thirteen billion, four hundred forty-two million, four hundred thirty-two thousand, five hundred forty".