40840220160 has 120 divisors (see below), whose sum is σ = 141441248520. Its totient is φ = 10890719232.

The previous prime is 40840220153. The next prime is 40840220177. The reversal of 40840220160 is 6102204804.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 863250 + ... + 909329.

It is an arithmetic number, because the mean of its divisors is an integer number (1178677071).

Almost surely, 2^40840220160 is an apocalyptic number.

40840220160 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40840220160 is an abundant number, since it is smaller than the sum of its proper divisors (100601028360).

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

40840220160 is a wasteful number, since it uses less digits than its factorization.

40840220160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1772608 (or 1772589 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 40840220160 its reverse (6102204804), we get a palindrome (46942424964).

The spelling of 40840220160 in words is "forty billion, eight hundred forty million, two hundred twenty thousand, one hundred sixty".