499756490 has 8 divisors (see below), whose sum is σ = 899561700. Its totient is φ = 199902592.

The previous prime is 499756457. The next prime is 499756519. The reversal of 499756490 is 94657994.

It can be written as a sum of positive squares in 2 ways, for example, as 476417929 + 23338561 = 21827^2 + 4831^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 24987815 + ... + 24987834.

Almost surely, 2^499756490 is an apocalyptic number.

499756490 is a deficient number, since it is larger than the sum of its proper divisors (399805210).

499756490 is a wasteful number, since it uses less digits than its factorization.

499756490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49975656.

The product of its (nonzero) digits is 2449440, while the sum is 53.

The square root of 499756490 is about 22355.2340627424. The cubic root of 499756490 is about 793.5716557176.

It can be divided in two parts, 49975 and 6490, that added together give a palindrome (56465).

The spelling of 499756490 in words is "four hundred ninety-nine million, seven hundred fifty-six thousand, four hundred ninety".