40115555044 has 48 divisors (see below), whose sum is σ = 75668705280. Its totient is φ = 18540887040.

The previous prime is 40115555021. The next prime is 40115555063. The reversal of 40115555044 is 44055551104.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1006504 + ... + 1045600.

It is an arithmetic number, because the mean of its divisors is an integer number (1576431360).

Almost surely, 2^40115555044 is an apocalyptic number.

It is an amenable number.

40115555044 is a deficient number, since it is larger than the sum of its proper divisors (35553150236).

40115555044 is a wasteful number, since it uses less digits than its factorization.

40115555044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39388 (or 39386 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 34.

The spelling of 40115555044 in words is "forty billion, one hundred fifteen million, five hundred fifty-five thousand, forty-four".