1306445162644 has 24 divisors (see below), whose sum is σ = 2321564336000. Its totient is φ = 643150829376.

The previous prime is 1306445162641. The next prime is 1306445162651. The reversal of 1306445162644 is 4462615446031.

It is a super-2 number, since 2×1306445162644² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1306445162594 and 1306445162603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1306445162641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 683577 + ... + 1755040.

Almost surely, 2^{1306445162644} is an apocalyptic number.

It is an amenable number.

1306445162644 is a deficient number, since it is larger than the sum of its proper divisors (1015119173356).

1306445162644 is a wasteful number, since it uses less digits than its factorization.

1306445162644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2440687 (or 2440685 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 46.

The spelling of 1306445162644 in words is "one trillion, three hundred six billion, four hundred forty-five million, one hundred sixty-two thousand, six hundred forty-four".