32165121301040 has 120 divisors (see below), whose sum is σ = 93685334223600. Its totient is φ = 10179730681344.

The previous prime is 32165121301037. The next prime is 32165121301073. The reversal of 32165121301040 is 4010312156123.

It is a junction number, because it is equal to n+sod(n) for n = 32165121300994 and 32165121301012.

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, 315540890 + ... + 315642809.

It is an arithmetic number, because the mean of its divisors is an integer number (780711118530).

Almost surely, 2^{32165121301040} is an apocalyptic number.

It is an amenable number.

32165121301040 is an abundant number, since it is smaller than the sum of its proper divisors (61520212922560).

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

32165121301040 is a wasteful number, since it uses less digits than its factorization.

32165121301040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631183739 (or 631183726 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 32165121301040 its reverse (4010312156123), we get a palindrome (36175433457163).

The spelling of 32165121301040 in words is "thirty-two trillion, one hundred sixty-five billion, one hundred twenty-one million, three hundred one thousand, forty".