40088040444 has 36 divisors (see below), whose sum is σ = 103805214240. Its totient is φ = 13036760640.

The previous prime is 40088040431. The next prime is 40088040449. The reversal of 40088040444 is 44404088004.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 40088040399 and 40088040408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40088040449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13578484 + ... + 13581435.

Almost surely, 2^40088040444 is an apocalyptic number.

It is an amenable number.

40088040444 is an abundant number, since it is smaller than the sum of its proper divisors (63717173796).

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

40088040444 is a wasteful number, since it uses less digits than its factorization.

40088040444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27159970 (or 27159965 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 36.

The spelling of 40088040444 in words is "forty billion, eighty-eight million, forty thousand, four hundred forty-four".