1830728888572 has 6 divisors (see below), whose sum is σ = 3203775555008. Its totient is φ = 915364444284.

The previous prime is 1830728888543. The next prime is 1830728888621. The reversal of 1830728888572 is 2758888270381.

It is a junction number, because it is equal to n+sod(n) for n = 1830728888498 and 1830728888507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228841111068 + ... + 228841111075.

Almost surely, 2^{1830728888572} is an apocalyptic number.

It is an amenable number.

1830728888572 is a deficient number, since it is larger than the sum of its proper divisors (1373046666436).

1830728888572 is a wasteful number, since it uses less digits than its factorization.

1830728888572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457682222147 (or 457682222145 counting only the distinct ones).

The product of its (nonzero) digits is 96337920, while the sum is 67.

The spelling of 1830728888572 in words is "one trillion, eight hundred thirty billion, seven hundred twenty-eight million, eight hundred eighty-eight thousand, five hundred seventy-two".