500404638387384 has 24 divisors (see below), whose sum is σ = 1355262562299360. Its totient is φ = 166801546129104.

The previous prime is 500404638387383. The next prime is 500404638387457. The reversal of 500404638387384 is 483783836404005.

500404638387384 is a `hidden beast` number, since 5 + 0 + 0 + 40 + 4 + 63 + 83 + 87 + 384 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500404638387383) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3475032210952 + ... + 3475032211095.

It is an arithmetic number, because the mean of its divisors is an integer number (56469273429140).

Almost surely, 2^{500404638387384} is an apocalyptic number.

It is an amenable number.

500404638387384 is an abundant number, since it is smaller than the sum of its proper divisors (854857923911976).

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

500404638387384 is a wasteful number, since it uses less digits than its factorization.

500404638387384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6950064422059 (or 6950064422052 counting only the distinct ones).

The product of its (nonzero) digits is 185794560, while the sum is 63.

The spelling of 500404638387384 in words is "five hundred trillion, four hundred four billion, six hundred thirty-eight million, three hundred eighty-seven thousand, three hundred eighty-four".