1890330368388 has 72 divisors (see below), whose sum is σ = 5540803093056. Its totient is φ = 490994898240.

The previous prime is 1890330368383. The next prime is 1890330368389. The reversal of 1890330368388 is 8838630330981.

It is not an unprimeable number, because it can be changed into a prime (1890330368383) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92981295 + ... + 93001622.

Almost surely, 2^{1890330368388} is an apocalyptic number.

It is an amenable number.

1890330368388 is an abundant number, since it is smaller than the sum of its proper divisors (3650472724668).

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

1890330368388 is a wasteful number, since it uses less digits than its factorization.

1890330368388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185982953 (or 185982940 counting only the distinct ones).

The product of its (nonzero) digits is 17915904, while the sum is 60.

The spelling of 1890330368388 in words is "one trillion, eight hundred ninety billion, three hundred thirty million, three hundred sixty-eight thousand, three hundred eighty-eight".