498610816 has 128 divisors (see below), whose sum is σ = 1180474560. Its totient is φ = 207175680.

The previous prime is 498610811. The next prime is 498610831. The reversal of 498610816 is 618016894.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×498610816² = 497225491664371712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (498610811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 885351 + ... + 885913.

Almost surely, 2^498610816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 498610816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (590237280).

498610816 is an abundant number, since it is smaller than the sum of its proper divisors (681863744).

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

498610816 is a wasteful number, since it uses less digits than its factorization.

498610816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642 (or 630 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 498610816 is about 22329.5950702201. The cubic root of 498610816 is about 792.9647801242.

The spelling of 498610816 in words is "four hundred ninety-eight million, six hundred ten thousand, eight hundred sixteen".