499167900 has 432 divisors, whose sum is σ = 2042369280. Its totient is φ = 103723200.

The previous prime is 499167887. The next prime is 499167901. The reversal of 499167900 is 9761994.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499167901) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 45378895 + ... + 45378905.

Almost surely, 2^499167900 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 499167900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1021184640).

499167900 is an abundant number, since it is smaller than the sum of its proper divisors (1543201380).

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

499167900 is a wasteful number, since it uses less digits than its factorization.

499167900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69 (or 28 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The square root of 499167900 is about 22342.0657057489. The cubic root of 499167900 is about 793.2599893749.

The spelling of 499167900 in words is "four hundred ninety-nine million, one hundred sixty-seven thousand, nine hundred".