40040808808840 has 64 divisors (see below), whose sum is σ = 103042582732800. Its totient is φ = 13717543580928.

The previous prime is 40040808808789. The next prime is 40040808808849. The reversal of 40040808808840 is 4880880804004.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40040808808849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55546059 + ... + 56262298.

It is an arithmetic number, because the mean of its divisors is an integer number (1610040355200).

Almost surely, 2^{40040808808840} is an apocalyptic number.

40040808808840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40040808808840 is an abundant number, since it is smaller than the sum of its proper divisors (63001773923960).

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

40040808808840 is a wasteful number, since it uses less digits than its factorization.

40040808808840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111809654 (or 111809650 counting only the distinct ones).

The product of its (nonzero) digits is 2097152, while the sum is 52.

The spelling of 40040808808840 in words is "forty trillion, forty billion, eight hundred eight million, eight hundred eight thousand, eight hundred forty".