1049326665984 has 144 divisors (see below), whose sum is σ = 3111028502400. Its totient is φ = 348875495424.

The previous prime is 1049326665979. The next prime is 1049326665991. The reversal of 1049326665984 is 4895666239401.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×1049326665984² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2493637 + ... + 2883899.

It is an arithmetic number, because the mean of its divisors is an integer number (21604364600).

Almost surely, 2^{1049326665984} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1049326665984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1555514251200).

1049326665984 is an abundant number, since it is smaller than the sum of its proper divisors (2061701836416).

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

1049326665984 is an equidigital number, since it uses as much as digits as its factorization.

1049326665984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390677 (or 390657 counting only the distinct ones).

The product of its (nonzero) digits is 67184640, while the sum is 63.

The spelling of 1049326665984 in words is "one trillion, forty-nine billion, three hundred twenty-six million, six hundred sixty-five thousand, nine hundred eighty-four".