1945844760318 has 32 divisors (see below), whose sum is σ = 4096744967040. Its totient is φ = 614442840480.

The previous prime is 1945844760287. The next prime is 1945844760319. The reversal of 1945844760318 is 8130674485491.

It is a super-2 number, since 2×1945844760318² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1945844760319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1603221 + ... + 2542047.

It is an arithmetic number, because the mean of its divisors is an integer number (128023280220).

Almost surely, 2^{1945844760318} is an apocalyptic number.

1945844760318 is an abundant number, since it is smaller than the sum of its proper divisors (2150900206722).

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

1945844760318 is a wasteful number, since it uses less digits than its factorization.

1945844760318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957032.

The product of its (nonzero) digits is 23224320, while the sum is 60.

The spelling of 1945844760318 in words is "one trillion, nine hundred forty-five billion, eight hundred forty-four million, seven hundred sixty thousand, three hundred eighteen".