500546644794 has 128 divisors (see below), whose sum is σ = 1346329036800. Its totient is φ = 134568656640.

The previous prime is 500546644757. The next prime is 500546644817. The reversal of 500546644794 is 497446645005.

500546644794 is a `hidden beast` number, since 5 + 0 + 0 + 54 + 66 + 447 + 94 = 666.

It is a super-2 number, since 2×500546644794² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 500546644794.

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, 40985349 + ... + 40997559.

It is an arithmetic number, because the mean of its divisors is an integer number (10518195600).

Almost surely, 2^500546644794 is an apocalyptic number.

500546644794 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 500546644794, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (673164518400).

500546644794 is an abundant number, since it is smaller than the sum of its proper divisors (845782392006).

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

500546644794 is a wasteful number, since it uses less digits than its factorization.

500546644794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18625 (or 18619 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 54.

The spelling of 500546644794 in words is "five hundred billion, five hundred forty-six million, six hundred forty-four thousand, seven hundred ninety-four".