1936543177940 has 24 divisors (see below), whose sum is σ = 4647703627392. Its totient is φ = 663957660960.

The previous prime is 1936543177873. The next prime is 1936543177949. The reversal of 1936543177940 is 497713456391.

It is a self number, because there is not a number n which added to its sum of digits gives 1936543177940.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1936543177949) 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, 6916225496 + ... + 6916225775.

It is an arithmetic number, because the mean of its divisors is an integer number (193654317808).

Almost surely, 2^{1936543177940} is an apocalyptic number.

1936543177940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1936543177940 is an abundant number, since it is smaller than the sum of its proper divisors (2711160449452).

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

1936543177940 is a wasteful number, since it uses less digits than its factorization.

1936543177940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13832451287 (or 13832451285 counting only the distinct ones).

The product of its (nonzero) digits is 17146080, while the sum is 59.

The spelling of 1936543177940 in words is "one trillion, nine hundred thirty-six billion, five hundred forty-three million, one hundred seventy-seven thousand, nine hundred forty".