40002354012 has 12 divisors (see below), whose sum is σ = 93338826056. Its totient is φ = 13334118000.

The previous prime is 40002354001. The next prime is 40002354013. The reversal of 40002354012 is 21045320004.

40002354012 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 (12).

It is a super-2 number, since 2×40002354012² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40002354012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40002354013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1666764739 + ... + 1666764762.

Almost surely, 2^40002354012 is an apocalyptic number.

It is an amenable number.

40002354012 is an abundant number, since it is smaller than the sum of its proper divisors (53336472044).

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

40002354012 is a wasteful number, since it uses less digits than its factorization.

40002354012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3333529508 (or 3333529506 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

Adding to 40002354012 its reverse (21045320004), we get a palindrome (61047674016).

The spelling of 40002354012 in words is "forty billion, two million, three hundred fifty-four thousand, twelve".