1840728768632 has 64 divisors (see below), whose sum is σ = 3786900828480. Its totient is φ = 833675092992.

The previous prime is 1840728768617. The next prime is 1840728768643. The reversal of 1840728768632 is 2368678270481.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 880253 + ... + 2110995.

It is an arithmetic number, because the mean of its divisors is an integer number (59170325445).

Almost surely, 2^{1840728768632} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1840728768632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1893450414240).

1840728768632 is an abundant number, since it is smaller than the sum of its proper divisors (1946172059848).

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

1840728768632 is a wasteful number, since it uses less digits than its factorization.

1840728768632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231032 (or 1231028 counting only the distinct ones).

The product of its (nonzero) digits is 43352064, while the sum is 62.

The spelling of 1840728768632 in words is "one trillion, eight hundred forty billion, seven hundred twenty-eight million, seven hundred sixty-eight thousand, six hundred thirty-two".