499993238404 has 27 divisors (see below), whose sum is σ = 961793777413. Its totient is φ = 227262582800.

The previous prime is 499993238401. The next prime is 499993238441. The reversal of 499993238404 is 404832399994.

The square root of 499993238404 is 707102.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 493790100804 + 6203137600 = 702702^2 + 78760^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (499993238401) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 15540174 + ... + 15572314.

Almost surely, 2^499993238404 is an apocalyptic number.

499993238404 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

499993238404 is the 707102-nd square number.

It is an amenable number.

499993238404 is a deficient number, since it is larger than the sum of its proper divisors (461800539009).

499993238404 is an frugal number, since it uses more digits than its factorization.

499993238404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64308 (or 32154 counting only the distinct ones).

The product of its (nonzero) digits is 60466176, while the sum is 64.

Multiplying 499993238404 by its sum of digits (64), we get a square (31999567257856 = 5656816²).

The spelling of 499993238404 in words is "four hundred ninety-nine billion, nine hundred ninety-three million, two hundred thirty-eight thousand, four hundred four".