1940824840164 has 48 divisors (see below), whose sum is σ = 5233684982400. Its totient is φ = 548290803456.

The previous prime is 1940824840153. The next prime is 1940824840189. The reversal of 1940824840164 is 4610484280491.

It is a super-2 number, since 2×1940824840164² (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, 129796219 + ... + 129811170.

It is an arithmetic number, because the mean of its divisors is an integer number (109035103800).

Almost surely, 2^{1940824840164} is an apocalyptic number.

1940824840164 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1940824840164 is an abundant number, since it is smaller than the sum of its proper divisors (3292860142236).

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

1940824840164 is a wasteful number, since it uses less digits than its factorization.

1940824840164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259607492 (or 259607490 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 51.

The spelling of 1940824840164 in words is "one trillion, nine hundred forty billion, eight hundred twenty-four million, eight hundred forty thousand, one hundred sixty-four".