40589744064 has 28 divisors (see below), whose sum is σ = 107393698344. Its totient is φ = 13529914624.

The previous prime is 40589744029. The next prime is 40589744071. The reversal of 40589744064 is 46044798504.

It is a happy number.

40589744064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 40589743998 and 40589744016.

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, 105702267 + ... + 105702650.

Almost surely, 2^40589744064 is an apocalyptic number.

It is an amenable number.

40589744064 is an abundant number, since it is smaller than the sum of its proper divisors (66803954280).

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

40589744064 is a wasteful number, since it uses less digits than its factorization.

40589744064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211404932 (or 211404922 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 51.

The spelling of 40589744064 in words is "forty billion, five hundred eighty-nine million, seven hundred forty-four thousand, sixty-four".