40820105960 has 32 divisors (see below), whose sum is σ = 92140588800. Its totient is φ = 16275535680.

The previous prime is 40820105947. The next prime is 40820105993. The reversal of 40820105960 is 6950102804.

It is a self number, because there is not a number n which added to its sum of digits gives 40820105960.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1628240 + ... + 1653119.

It is an arithmetic number, because the mean of its divisors is an integer number (2879393400).

Almost surely, 2^40820105960 is an apocalyptic number.

40820105960 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40820105960 is an abundant number, since it is smaller than the sum of its proper divisors (51320482840).

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

40820105960 is a wasteful number, since it uses less digits than its factorization.

40820105960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3281681 (or 3281677 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The spelling of 40820105960 in words is "forty billion, eight hundred twenty million, one hundred five thousand, nine hundred sixty".