40413321012 has 12 divisors (see below), whose sum is σ = 94297749056. Its totient is φ = 13471107000.

The previous prime is 40413320993. The next prime is 40413321049. The reversal of 40413321012 is 21012331404.

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

It is a self number, because there is not a number n which added to its sum of digits gives 40413321012.

It is a congruent number.

It is an unprimeable number.

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, 1683888364 + ... + 1683888387.

Almost surely, 2^40413321012 is an apocalyptic number.

It is an amenable number.

40413321012 is an abundant number, since it is smaller than the sum of its proper divisors (53884428044).

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

40413321012 is a wasteful number, since it uses less digits than its factorization.

40413321012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3367776758 (or 3367776756 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 40413321012 its reverse (21012331404), we get a palindrome (61425652416).

The spelling of 40413321012 in words is "forty billion, four hundred thirteen million, three hundred twenty-one thousand, twelve".