40348625856 has 336 divisors, whose sum is σ = 139856090112. Its totient is φ = 10141286400.

The previous prime is 40348625813. The next prime is 40348625879. The reversal of 40348625856 is 65852684304.

40348625856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (336).

It is a junction number, because it is equal to n+sod(n) for n = 40348625799 and 40348625808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3201840 + ... + 3214416.

Almost surely, 2^40348625856 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 40348625856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69928045056).

40348625856 is an abundant number, since it is smaller than the sum of its proper divisors (99507464256).

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

40348625856 is a wasteful number, since it uses less digits than its factorization.

40348625856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12648 (or 12631 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 51.

The spelling of 40348625856 in words is "forty billion, three hundred forty-eight million, six hundred twenty-five thousand, eight hundred fifty-six".