493178939250 has 128 divisors (see below), whose sum is σ = 1238334289920. Its totient is φ = 130729939200.

The previous prime is 493178939249. The next prime is 493178939299. The reversal of 493178939250 is 52939871394.

It is a super-2 number, since 2×493178939250² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 138648472 + ... + 138652028.

It is an arithmetic number, because the mean of its divisors is an integer number (9674486640).

Almost surely, 2^493178939250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 493178939250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (619167144960).

493178939250 is an abundant number, since it is smaller than the sum of its proper divisors (745155350670).

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

493178939250 is a wasteful number, since it uses less digits than its factorization.

493178939250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4629 (or 4619 counting only the distinct ones).

The product of its (nonzero) digits is 14696640, while the sum is 60.

The spelling of 493178939250 in words is "four hundred ninety-three billion, one hundred seventy-eight million, nine hundred thirty-nine thousand, two hundred fifty".