499131450 has 96 divisors (see below), whose sum is σ = 1380774720. Its totient is φ = 132580800.

The previous prime is 499131449. The next prime is 499131481. The reversal of 499131450 is 54131994.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 446292 + ... + 447408.

It is an arithmetic number, because the mean of its divisors is an integer number (14383070).

Almost surely, 2^499131450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 499131450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (690387360).

499131450 is an abundant number, since it is smaller than the sum of its proper divisors (881643270).

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

499131450 is a wasteful number, since it uses less digits than its factorization.

499131450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1469 (or 1458 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 499131450 is about 22341.2499650311. The cubic root of 499131450 is about 793.2406805542.

The spelling of 499131450 in words is "four hundred ninety-nine million, one hundred thirty-one thousand, four hundred fifty".