40118804540 has 12 divisors (see below), whose sum is σ = 84249489576. Its totient is φ = 16047521808.

The previous prime is 40118804521. The next prime is 40118804599. The reversal of 40118804540 is 4540881104.

It is a happy number.

It is a super-3 number, since 3×40118804540³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 40118804540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1002970094 + ... + 1002970133.

It is an arithmetic number, because the mean of its divisors is an integer number (7020790798).

Almost surely, 2^40118804540 is an apocalyptic number.

It is an amenable number.

40118804540 is an abundant number, since it is smaller than the sum of its proper divisors (44130685036).

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

40118804540 is a wasteful number, since it uses less digits than its factorization.

40118804540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2005940236 (or 2005940234 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 35.

The spelling of 40118804540 in words is "forty billion, one hundred eighteen million, eight hundred four thousand, five hundred forty".