8146243404 has 36 divisors (see below), whose sum is σ = 22175886096. Its totient is φ = 2506536288.

The previous prime is 8146243381. The next prime is 8146243411. The reversal of 8146243404 is 4043426418.

8146243404 is a `hidden beast` number, since 8 + 1 + 4 + 6 + 243 + 404 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×8146243404² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 11 ways as a sum of consecutive naturals, for example, 8702784 + ... + 8703719.

It is an arithmetic number, because the mean of its divisors is an integer number (615996836).

Almost surely, 2^8146243404 is an apocalyptic number.

It is an amenable number.

8146243404 is an abundant number, since it is smaller than the sum of its proper divisors (14029642692).

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

8146243404 is a wasteful number, since it uses less digits than its factorization.

8146243404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17406526 (or 17406521 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 36.

The square root of 8146243404 is about 90256.5421673133. The cubic root of 8146243404 is about 2012.1134345625.

The spelling of 8146243404 in words is "eight billion, one hundred forty-six million, two hundred forty-three thousand, four hundred four".