499818453156 has 144 divisors (see below), whose sum is σ = 1418202571968. Its totient is φ = 147130464000.

The previous prime is 499818453107. The next prime is 499818453157. The reversal of 499818453156 is 651354818994.

499818453156 is a `hidden beast` number, since 4 + 9 + 98 + 1 + 8 + 4 + 531 + 5 + 6 = 666.

It is a super-2 number, since 2×499818453156² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 499818453093 and 499818453102.

It is not an unprimeable number, because it can be changed into a prime (499818453157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2001895 + ... + 2237681.

It is an arithmetic number, because the mean of its divisors is an integer number (9848628972).

Almost surely, 2^499818453156 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 499818453156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (709101285984).

499818453156 is an abundant number, since it is smaller than the sum of its proper divisors (918384118812).

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

499818453156 is a wasteful number, since it uses less digits than its factorization.

499818453156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235962 (or 235957 counting only the distinct ones).

The product of its digits is 37324800, while the sum is 63.

It can be divided in two parts, 49981845 and 3156, that added together give a triangular number (49985001 = T₉₉₉₈).

The spelling of 499818453156 in words is "four hundred ninety-nine billion, eight hundred eighteen million, four hundred fifty-three thousand, one hundred fifty-six".