40044352012 has 24 divisors (see below), whose sum is σ = 80100679680. Its totient is φ = 17159298960.

The previous prime is 40044352003. The next prime is 40044352037. The reversal of 40044352012 is 21025344004.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90039 + ... + 296977.

It is an arithmetic number, because the mean of its divisors is an integer number (3337528320).

Almost surely, 2^40044352012 is an apocalyptic number.

It is an amenable number.

40044352012 is an abundant number, since it is smaller than the sum of its proper divisors (40056327668).

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

40044352012 is a wasteful number, since it uses less digits than its factorization.

40044352012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213861 (or 213859 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 40044352012 its reverse (21025344004), we get a palindrome (61069696016).

The spelling of 40044352012 in words is "forty billion, forty-four million, three hundred fifty-two thousand, twelve".