1440456105212 has 24 divisors (see below), whose sum is σ = 2524192204800. Its totient is φ = 719258852016.

The previous prime is 1440456105089. The next prime is 1440456105227. The reversal of 1440456105212 is 2125016540441.

It is a congruent 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, 11361989 + ... + 11488067.

It is an arithmetic number, because the mean of its divisors is an integer number (105174675200).

Almost surely, 2^{1440456105212} is an apocalyptic number.

It is an amenable number.

1440456105212 is a deficient number, since it is larger than the sum of its proper divisors (1083736099588).

1440456105212 is a wasteful number, since it uses less digits than its factorization.

1440456105212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129905 (or 129903 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 35.

The spelling of 1440456105212 in words is "one trillion, four hundred forty billion, four hundred fifty-six million, one hundred five thousand, two hundred twelve".