499617408 has 64 divisors (see below), whose sum is σ = 1384833600. Its totient is φ = 159295488.

The previous prime is 499617383. The next prime is 499617427. The reversal of 499617408 is 804716994.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19453 + ... + 37116.

It is an arithmetic number, because the mean of its divisors is an integer number (21638025).

Almost surely, 2^499617408 is an apocalyptic number.

499617408 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

499617408 is an abundant number, since it is smaller than the sum of its proper divisors (885216192).

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

499617408 is a wasteful number, since it uses less digits than its factorization.

499617408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56609 (or 56597 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 499617408 is about 22352.1231206344. The cubic root of 499617408 is about 793.4980320125.

The spelling of 499617408 in words is "four hundred ninety-nine million, six hundred seventeen thousand, four hundred eight".