499999444433325 has 120 divisors (see below), whose sum is σ = 948767228344320. Its totient is φ = 260229469046400.

The previous prime is 499999444433311. The next prime is 499999444433407. The reversal of 499999444433325 is 523334444999994.

499999444433325 is a `hidden beast` number, since 4 + 9 + 9 + 99 + 94 + 4 + 4 + 433 + 3 + 2 + 5 = 666.

It is not a de Polignac number, because 499999444433325 - 2²⁴ = 499999427656109 is a prime.

It is a super-3 number, since 3×499999444433325³ (a number of 45 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 248385 + ... + 31623734.

It is an arithmetic number, because the mean of its divisors is an integer number (7906393569536).

Almost surely, 2^{499999444433325} is an apocalyptic number.

499999444433325 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

499999444433325 is a deficient number, since it is larger than the sum of its proper divisors (448767783910995).

499999444433325 is a wasteful number, since it uses less digits than its factorization.

499999444433325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31872329 (or 31872315 counting only the distinct ones).

The product of its digits is 16325867520, while the sum is 81.

The spelling of 499999444433325 in words is "four hundred ninety-nine trillion, nine hundred ninety-nine billion, four hundred forty-four million, four hundred thirty-three thousand, three hundred twenty-five".