1855132038768 has 40 divisors (see below), whose sum is σ = 4792589631616. Its totient is φ = 618356030400.

The previous prime is 1855132038719. The next prime is 1855132038839. The reversal of 1855132038768 is 8678302315581.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 772923 + ... + 2075493.

Almost surely, 2^{1855132038768} is an apocalyptic number.

It is an amenable number.

1855132038768 is an abundant number, since it is smaller than the sum of its proper divisors (2937457592848).

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

1855132038768 is a wasteful number, since it uses less digits than its factorization.

1855132038768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332253 (or 1332247 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 57.

The spelling of 1855132038768 in words is "one trillion, eight hundred fifty-five billion, one hundred thirty-two million, thirty-eight thousand, seven hundred sixty-eight".