5266638584144 has 40 divisors (see below), whose sum is σ = 11835899947968. Its totient is φ = 2223442298880.

The previous prime is 5266638584059. The next prime is 5266638584147. The reversal of 5266638584144 is 4414858366625.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5266638584147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350914577 + ... + 350929584.

Almost surely, 2^{5266638584144} is an apocalyptic number.

It is an amenable number.

5266638584144 is an abundant number, since it is smaller than the sum of its proper divisors (6569261363824).

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

5266638584144 is a wasteful number, since it uses less digits than its factorization.

5266638584144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701844243 (or 701844237 counting only the distinct ones).

The product of its digits is 132710400, while the sum is 62.

The spelling of 5266638584144 in words is "five trillion, two hundred sixty-six billion, six hundred thirty-eight million, five hundred eighty-four thousand, one hundred forty-four".