499736250 has 320 divisors, whose sum is σ = 1605985920. Its totient is φ = 114048000.

The previous prime is 499736227. The next prime is 499736261. The reversal of 499736250 is 52637994.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 499736196 and 499736205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 7458717 + ... + 7458783.

It is an arithmetic number, because the mean of its divisors is an integer number (5018706).

Almost surely, 2^499736250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 499736250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (802992960).

499736250 is an abundant number, since it is smaller than the sum of its proper divisors (1106249670).

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

499736250 is a wasteful number, since it uses less digits than its factorization.

499736250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The square root of 499736250 is about 22354.7813677522. The cubic root of 499736250 is about 793.5609424286.

The spelling of 499736250 in words is "four hundred ninety-nine million, seven hundred thirty-six thousand, two hundred fifty".