1859099228028 has 576 divisors, whose sum is σ = 5948028979200. Its totient is φ = 499873006080.

The previous prime is 1859099228017. The next prime is 1859099228033. The reversal of 1859099228028 is 8208229909581.

1859099228028 is a `hidden beast` number, since 18 + 590 + 9 + 9 + 2 + 2 + 8 + 0 + 28 = 666.

It is a super-4 number, since 4×1859099228028⁴ (a number of 50 digits) contains 4444 as substring.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2690447163 + ... + 2690447853.

It is an arithmetic number, because the mean of its divisors is an integer number (10326439200).

Almost surely, 2^{1859099228028} is an apocalyptic number.

1859099228028 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 1859099228028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2974014489600).

1859099228028 is an abundant number, since it is smaller than the sum of its proper divisors (4088929751172).

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

1859099228028 is a wasteful number, since it uses less digits than its factorization.

1859099228028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167 (or 1152 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 63.

The spelling of 1859099228028 in words is "one trillion, eight hundred fifty-nine billion, ninety-nine million, two hundred twenty-eight thousand, twenty-eight".