1853414200728 has 96 divisors (see below), whose sum is σ = 5155049914560. Its totient is φ = 601217717760.

The previous prime is 1853414200723. The next prime is 1853414200739. The reversal of 1853414200728 is 8270024143581.

1853414200728 is a `hidden beast` number, since 1 + 8 + 5 + 3 + 414 + 200 + 7 + 28 = 666.

It is a super-2 number, since 2×1853414200728² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1853414200723) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 381201 + ... + 1962687.

It is an arithmetic number, because the mean of its divisors is an integer number (53698436610).

Almost surely, 2^{1853414200728} is an apocalyptic number.

1853414200728 is a gapful number since it is divisible by the number (18) 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 1853414200728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2577524957280).

1853414200728 is an abundant number, since it is smaller than the sum of its proper divisors (3301635713832).

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

1853414200728 is a wasteful number, since it uses less digits than its factorization.

1853414200728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1581937 (or 1581930 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The spelling of 1853414200728 in words is "one trillion, eight hundred fifty-three billion, four hundred fourteen million, two hundred thousand, seven hundred twenty-eight".