1830728888512 has 56 divisors (see below), whose sum is σ = 3730474428800. Its totient is φ = 891076239360.

The previous prime is 1830728888503. The next prime is 1830728888543. The reversal of 1830728888512 is 2158888270381.

It is a Harshad number since it is a multiple of its sum of digits (61).

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, 2038512 + ... + 2795887.

It is an arithmetic number, because the mean of its divisors is an integer number (66615614800).

Almost surely, 2^{1830728888512} is an apocalyptic number.

It is an amenable number.

1830728888512 is an abundant number, since it is smaller than the sum of its proper divisors (1899745540288).

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

1830728888512 is an equidigital number, since it uses as much as digits as its factorization.

1830728888512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4834569 (or 4834559 counting only the distinct ones).

The product of its (nonzero) digits is 13762560, while the sum is 61.

The spelling of 1830728888512 in words is "one trillion, eight hundred thirty billion, seven hundred twenty-eight million, eight hundred eighty-eight thousand, five hundred twelve".