1380220173445 has 16 divisors (see below), whose sum is σ = 1687616664192. Its totient is φ = 1083277024960.

The previous prime is 1380220173419. The next prime is 1380220173533. The reversal of 1380220173445 is 5443710220831.

It is not a de Polignac number, because 1380220173445 - 2¹³ = 1380220165253 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1380220173398 and 1380220173407.

It is a congruent number.

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, 4484040 + ... + 4781950.

It is an arithmetic number, because the mean of its divisors is an integer number (105476041512).

Almost surely, 2^{1380220173445} is an apocalyptic number.

It is an amenable number.

1380220173445 is a deficient number, since it is larger than the sum of its proper divisors (307396490747).

1380220173445 is a wasteful number, since it uses less digits than its factorization.

1380220173445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315452.

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 1380220173445 in words is "one trillion, three hundred eighty billion, two hundred twenty million, one hundred seventy-three thousand, four hundred forty-five".