40556245056 has 112 divisors (see below), whose sum is σ = 110186419200. Its totient is φ = 13160212992.

The previous prime is 40556245031. The next prime is 40556245099. The reversal of 40556245056 is 65054265504.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 40556244999 and 40556245017.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1149405 + ... + 1184163.

Almost surely, 2^40556245056 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 40556245056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55093209600).

40556245056 is an abundant number, since it is smaller than the sum of its proper divisors (69630174144).

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

40556245056 is a wasteful number, since it uses less digits than its factorization.

40556245056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34936 (or 34926 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 42.

The spelling of 40556245056 in words is "forty billion, five hundred fifty-six million, two hundred forty-five thousand, fifty-six".