40604653744 has 40 divisors (see below), whose sum is σ = 82219380480. Its totient is φ = 19389488448.

The previous prime is 40604653711. The next prime is 40604653763. The reversal of 40604653744 is 44735640604.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 40604653744.

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 7 ways as a sum of consecutive naturals, for example, 152827 + ... + 323365.

It is an arithmetic number, because the mean of its divisors is an integer number (2055484512).

Almost surely, 2^40604653744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40604653744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41109690240).

40604653744 is an abundant number, since it is smaller than the sum of its proper divisors (41614726736).

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

40604653744 is a wasteful number, since it uses less digits than its factorization.

40604653744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171217 (or 171211 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 43.

The spelling of 40604653744 in words is "forty billion, six hundred four million, six hundred fifty-three thousand, seven hundred forty-four".