1890530423328 has 24 divisors (see below), whose sum is σ = 4962642361488. Its totient is φ = 630176807744.

The previous prime is 1890530423323. The next prime is 1890530423359. The reversal of 1890530423328 is 8233240350981.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (1890530423323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9846512526 + ... + 9846512717.

It is an arithmetic number, because the mean of its divisors is an integer number (206776765062).

Almost surely, 2^{1890530423328} is an apocalyptic number.

It is an amenable number.

1890530423328 is an abundant number, since it is smaller than the sum of its proper divisors (3072111938160).

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

1890530423328 is a wasteful number, since it uses less digits than its factorization.

1890530423328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19693025256 (or 19693025248 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 48.

The spelling of 1890530423328 in words is "one trillion, eight hundred ninety billion, five hundred thirty million, four hundred twenty-three thousand, three hundred twenty-eight".