499127642 has 32 divisors (see below), whose sum is σ = 839235600. Its totient is φ = 222366144.

The previous prime is 499127627. The next prime is 499127647. The reversal of 499127642 is 246721994.

It can be written as a sum of positive squares in 8 ways, for example, as 96721 + 499030921 = 311^2 + 22339^2 .

It is a junction number, because it is equal to n+sod(n) for n = 499127593 and 499127602.

It is not an unprimeable number, because it can be changed into a prime (499127647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125468 + ... + 129384.

Almost surely, 2^499127642 is an apocalyptic number.

499127642 is a deficient number, since it is larger than the sum of its proper divisors (340107958).

499127642 is a wasteful number, since it uses less digits than its factorization.

499127642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3987 (or 3961 counting only the distinct ones).

The product of its digits is 217728, while the sum is 44.

The square root of 499127642 is about 22341.1647413469. The cubic root of 499127642 is about 793.2386632711.

The spelling of 499127642 in words is "four hundred ninety-nine million, one hundred twenty-seven thousand, six hundred forty-two".