32381540120 has 128 divisors (see below), whose sum is σ = 76410734400. Its totient is φ = 12337920000.

The previous prime is 32381540119. The next prime is 32381540129. The reversal of 32381540120 is 2104518323.

It is a happy number.

It is a super-2 number, since 2×32381540120² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32381540129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22659566 + ... + 22660994.

Almost surely, 2^32381540120 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 32381540120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38205367200).

32381540120 is an abundant number, since it is smaller than the sum of its proper divisors (44029194280).

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

32381540120 is a wasteful number, since it uses less digits than its factorization.

32381540120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1789 (or 1785 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The spelling of 32381540120 in words is "thirty-two billion, three hundred eighty-one million, five hundred forty thousand, one hundred twenty".