40555647626650 has 24 divisors (see below), whose sum is σ = 81236081862684. Its totient is φ = 14974392969600.

The previous prime is 40555647626639. The next prime is 40555647626687. The reversal of 40555647626650 is 5662674655504.

It is a happy number.

40555647626650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 13630206831921 + 26925440794729 = 3691911^2 + 5188973^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31196651371 + ... + 31196652670.

Almost surely, 2^{40555647626650} is an apocalyptic number.

40555647626650 is an abundant number, since it is smaller than the sum of its proper divisors (40680434236034).

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

40555647626650 is a wasteful number, since it uses less digits than its factorization.

40555647626650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62393304066 (or 62393304061 counting only the distinct ones).

The product of its (nonzero) digits is 181440000, while the sum is 61.

The spelling of 40555647626650 in words is "forty trillion, five hundred fifty-five billion, six hundred forty-seven million, six hundred twenty-six thousand, six hundred fifty".