40555413012 has 12 divisors (see below), whose sum is σ = 94629297056. Its totient is φ = 13518471000.

The previous prime is 40555412971. The next prime is 40555413013. The reversal of 40555413012 is 21031455504.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40555413013) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1689808864 + ... + 1689808887.

Almost surely, 2^40555413012 is an apocalyptic number.

It is an amenable number.

40555413012 is an abundant number, since it is smaller than the sum of its proper divisors (54073884044).

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

40555413012 is a wasteful number, since it uses less digits than its factorization.

40555413012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3379617758 (or 3379617756 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 40555413012 its reverse (21031455504), we get a palindrome (61586868516).

The spelling of 40555413012 in words is "forty billion, five hundred fifty-five million, four hundred thirteen thousand, twelve".