493738941720 has 128 divisors (see below), whose sum is σ = 1568910643200. Its totient is φ = 123874277376.

The previous prime is 493738941643. The next prime is 493738941727. The reversal of 493738941720 is 27149837394.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493738941727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5831127 + ... + 5915193.

It is an arithmetic number, because the mean of its divisors is an integer number (12257114400).

Almost surely, 2^493738941720 is an apocalyptic number.

493738941720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 493738941720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (784455321600).

493738941720 is an abundant number, since it is smaller than the sum of its proper divisors (1075171701480).

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

493738941720 is a wasteful number, since it uses less digits than its factorization.

493738941720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86977 (or 86973 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 57.

The spelling of 493738941720 in words is "four hundred ninety-three billion, seven hundred thirty-eight million, nine hundred forty-one thousand, seven hundred twenty".