1805932396416 has 128 divisors (see below), whose sum is σ = 4816594224000. Its totient is φ = 599523821568.

The previous prime is 1805932396409. The next prime is 1805932396439. The reversal of 1805932396416 is 6146932395081.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×1805932396416² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117650310 + ... + 117665658.

It is an arithmetic number, because the mean of its divisors is an integer number (37629642375).

Almost surely, 2^{1805932396416} is an apocalyptic number.

1805932396416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1805932396416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2408297112000).

1805932396416 is an abundant number, since it is smaller than the sum of its proper divisors (3010661827584).

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

1805932396416 is a wasteful number, since it uses less digits than its factorization.

1805932396416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16596 (or 16584 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 57.

The spelling of 1805932396416 in words is "one trillion, eight hundred five billion, nine hundred thirty-two million, three hundred ninety-six thousand, four hundred sixteen".