1046644781760 has 168 divisors, whose sum is σ = 3683743823760. Its totient is φ = 272614422528.

The previous prime is 1046644781747. The next prime is 1046644781761. The reversal of 1046644781760 is 671874466401.

It is a happy number.

1046644781760 is a `hidden beast` number, since 1 + 0 + 4 + 66 + 447 + 81 + 7 + 60 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1046644781697 and 1046644781706.

It is not an unprimeable number, because it can be changed into a prime (1046644781761) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4101955 + ... + 4349634.

It is an arithmetic number, because the mean of its divisors is an integer number (21927046570).

Almost surely, 2^{1046644781760} is an apocalyptic number.

1046644781760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1046644781760 is an abundant number, since it is smaller than the sum of its proper divisors (2637099042000).

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

1046644781760 is a wasteful number, since it uses less digits than its factorization.

1046644781760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8451655 (or 8451642 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 54.

The spelling of 1046644781760 in words is "one trillion, forty-six billion, six hundred forty-four million, seven hundred eighty-one thousand, seven hundred sixty".