4090638354187 has 24 divisors (see below), whose sum is σ = 5138867512800. Its totient is φ = 3187377431040.

The previous prime is 4090638354181. The next prime is 4090638354223. The reversal of 4090638354187 is 7814538360904.

It is not a de Polignac number, because 4090638354187 - 2¹¹ = 4090638352139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4090638354181) 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, 23467389 + ... + 23641057.

It is an arithmetic number, because the mean of its divisors is an integer number (214119479700).

Almost surely, 2^{4090638354187} is an apocalyptic number.

4090638354187 is a deficient number, since it is larger than the sum of its proper divisors (1048229158613).

4090638354187 is a wasteful number, since it uses less digits than its factorization.

4090638354187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201507 (or 201496 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 58.

The spelling of 4090638354187 in words is "four trillion, ninety billion, six hundred thirty-eight million, three hundred fifty-four thousand, one hundred eighty-seven".