499659408 has 160 divisors (see below), whose sum is σ = 1481155200. Its totient is φ = 161201664.

The previous prime is 499659403. The next prime is 499659409. The reversal of 499659408 is 804956994.

499659408 is a `hidden beast` number, since 49 + 9 + 6 + 594 + 0 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (499659403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3182466 + ... + 3182622.

It is an arithmetic number, because the mean of its divisors is an integer number (9257220).

Almost surely, 2^499659408 is an apocalyptic number.

499659408 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 499659408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (740577600).

499659408 is an abundant number, since it is smaller than the sum of its proper divisors (981495792).

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

499659408 is a wasteful number, since it uses less digits than its factorization.

499659408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366 (or 354 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The square root of 499659408 is about 22353.0626089581. The cubic root of 499659408 is about 793.5202663482.

The spelling of 499659408 in words is "four hundred ninety-nine million, six hundred fifty-nine thousand, four hundred eight".