1398183272704 has 81 divisors (see below), whose sum is σ = 2811562480909. Its totient is φ = 693955082240.

The previous prime is 1398183272701. The next prime is 1398183272711. The reversal of 1398183272704 is 4072723818931.

The square root of 1398183272704 is 1182448.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 944877314304 + 453305958400 = 972048^2 + 673280^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1398183272701) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4975741044 + ... + 4975741324.

Almost surely, 2^{1398183272704} is an apocalyptic number.

1398183272704 is the 1182448-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1398183272704

1398183272704 is an abundant number, since it is smaller than the sum of its proper divisors (1413379208205).

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

1398183272704 is an frugal number, since it uses more digits than its factorization.

1398183272704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104 (or 546 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 55.

The spelling of 1398183272704 in words is "one trillion, three hundred ninety-eight billion, one hundred eighty-three million, two hundred seventy-two thousand, seven hundred four".