40440302989 has 8 divisors (see below), whose sum is σ = 42348756672. Its totient is φ = 38544364320.

The previous prime is 40440302977. The next prime is 40440303017. The reversal of 40440302989 is 98920304404.

40440302989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40440302989 - 2¹⁷ = 40440171917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40440302789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3122139 + ... + 3135064.

It is an arithmetic number, because the mean of its divisors is an integer number (5293594584).

Almost surely, 2^40440302989 is an apocalyptic number.

It is an amenable number.

40440302989 is a deficient number, since it is larger than the sum of its proper divisors (1908453683).

40440302989 is a wasteful number, since it uses less digits than its factorization.

40440302989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6257507.

The product of its (nonzero) digits is 248832, while the sum is 43.

The spelling of 40440302989 in words is "forty billion, four hundred forty million, three hundred two thousand, nine hundred eighty-nine".