499955066100 has 288 divisors, whose sum is σ = 1837599052800. Its totient is φ = 114230217600.

The previous prime is 499955066099. The next prime is 499955066119. The reversal of 499955066100 is 1660559994.

499955066100 is a `hidden beast` number, since 49 + 9 + 95 + 506 + 6 + 1 + 0 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 80491995 + ... + 80498205.

Almost surely, 2^499955066100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 499955066100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (918799526400).

499955066100 is an abundant number, since it is smaller than the sum of its proper divisors (1337643986700).

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

499955066100 is a wasteful number, since it uses less digits than its factorization.

499955066100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10500 (or 10487 counting only the distinct ones).

The product of its (nonzero) digits is 2624400, while the sum is 54.

The spelling of 499955066100 in words is "four hundred ninety-nine billion, nine hundred fifty-five million, sixty-six thousand, one hundred".