499450440 has 32 divisors (see below), whose sum is σ = 1498351680. Its totient is φ = 133186752.

The previous prime is 499450433. The next prime is 499450447. The reversal of 499450440 is 44054994.

It is an interprime number because it is at equal distance from previous prime (499450433) and next prime (499450447).

It is not an unprimeable number, because it can be changed into a prime (499450447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2080924 + ... + 2081163.

It is an arithmetic number, because the mean of its divisors is an integer number (46823490).

Almost surely, 2^499450440 is an apocalyptic number.

499450440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

499450440 is an abundant number, since it is smaller than the sum of its proper divisors (998901240).

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

499450440 is a wasteful number, since it uses less digits than its factorization.

499450440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4162101 (or 4162097 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 499450440 is about 22348.3878613201. The cubic root of 499450440 is about 793.4096286737.

The spelling of 499450440 in words is "four hundred ninety-nine million, four hundred fifty thousand, four hundred forty".