40840808800 has 72 divisors (see below), whose sum is σ = 108766522872. Its totient is φ = 14851200000.

The previous prime is 40840808783. The next prime is 40840808809. The reversal of 40840808800 is 880804804.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40840808809) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 2311701 + ... + 2329300.

It is an arithmetic number, because the mean of its divisors is an integer number (1510646151).

Almost surely, 2^40840808800 is an apocalyptic number.

40840808800 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40840808800 is an abundant number, since it is smaller than the sum of its proper divisors (67925714072).

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

40840808800 is a wasteful number, since it uses less digits than its factorization.

40840808800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4641032 (or 4641019 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 40.

The spelling of 40840808800 in words is "forty billion, eight hundred forty million, eight hundred eight thousand, eight hundred".