1044712515816 has 48 divisors (see below), whose sum is σ = 2920701663360. Its totient is φ = 337004036640.

The previous prime is 1044712515811. The next prime is 1044712515949. The reversal of 1044712515816 is 6185152174401.

It is a happy number.

1044712515816 is a `hidden beast` number, since 1 + 0 + 4 + 4 + 7 + 12 + 51 + 581 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (1044712515811) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 234028350 + ... + 234032813.

It is an arithmetic number, because the mean of its divisors is an integer number (60847951320).

Almost surely, 2^{1044712515816} is an apocalyptic number.

It is an amenable number.

1044712515816 is an abundant number, since it is smaller than the sum of its proper divisors (1875989147544).

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

1044712515816 is a wasteful number, since it uses less digits than its factorization.

1044712515816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468061206 (or 468061199 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 45.

The spelling of 1044712515816 in words is "one trillion, forty-four billion, seven hundred twelve million, five hundred fifteen thousand, eight hundred sixteen".