2418009581436 has 12 divisors (see below), whose sum is σ = 5642022356712. Its totient is φ = 806003193808.

The previous prime is 2418009581399. The next prime is 2418009581443. The reversal of 2418009581436 is 6341859008142.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

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 3 ways as a sum of consecutive naturals, for example, 100750399215 + ... + 100750399238.

It is an arithmetic number, because the mean of its divisors is an integer number (470168529726).

Almost surely, 2^{2418009581436} is an apocalyptic number.

It is an amenable number.

2418009581436 is an abundant number, since it is smaller than the sum of its proper divisors (3224012775276).

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

2418009581436 is a wasteful number, since it uses less digits than its factorization.

2418009581436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201500798460 (or 201500798458 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 51.

The spelling of 2418009581436 in words is "two trillion, four hundred eighteen billion, nine million, five hundred eighty-one thousand, four hundred thirty-six".