499622426 has 4 divisors (see below), whose sum is σ = 749433642. Its totient is φ = 249811212.

The previous prime is 499622393. The next prime is 499622429. The reversal of 499622426 is 624226994.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 499567201 + 55225 = 22351^2 + 235^2 .

It is not an unprimeable number, because it can be changed into a prime (499622429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124905605 + ... + 124905608.

Almost surely, 2^499622426 is an apocalyptic number.

499622426 is a deficient number, since it is larger than the sum of its proper divisors (249811216).

499622426 is a wasteful number, since it uses less digits than its factorization.

499622426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249811215.

The product of its digits is 373248, while the sum is 44.

The square root of 499622426 is about 22352.2353691974. The cubic root of 499622426 is about 793.5006885518.

The spelling of 499622426 in words is "four hundred ninety-nine million, six hundred twenty-two thousand, four hundred twenty-six".