4018273799085 has 192 divisors, whose sum is σ = 9130948549632. Its totient is φ = 1586319925248.

The previous prime is 4018273799081. The next prime is 4018273799093. The reversal of 4018273799085 is 5809973728104.

4018273799085 is a `hidden beast` number, since 4 + 0 + 182 + 7 + 379 + 9 + 0 + 85 = 666.

It is not a de Polignac number, because 4018273799085 - 2² = 4018273799081 is a prime.

It is a super-2 number, since 2×4018273799085² (a number of 26 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4018273799081) by changing a digit.

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 191 ways as a sum of consecutive naturals, for example, 11452887 + ... + 11798523.

It is an arithmetic number, because the mean of its divisors is an integer number (47557023696).

Almost surely, 2^{4018273799085} is an apocalyptic number.

4018273799085 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4018273799085 is an abundant number, since it is smaller than the sum of its proper divisors (5112674750547).

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

4018273799085 is a wasteful number, since it uses less digits than its factorization.

4018273799085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345852 (or 345849 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 63.

The spelling of 4018273799085 in words is "four trillion, eighteen billion, two hundred seventy-three million, seven hundred ninety-nine thousand, eighty-five".