499561888 has 96 divisors (see below), whose sum is σ = 1185528960. Its totient is φ = 202675200.

The previous prime is 499561871. The next prime is 499561891. The reversal of 499561888 is 888165994.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 343563 + ... + 345013.

It is an arithmetic number, because the mean of its divisors is an integer number (12349260).

Almost surely, 2^499561888 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 499561888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (592764480).

499561888 is an abundant number, since it is smaller than the sum of its proper divisors (685967072).

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

499561888 is a wasteful number, since it uses less digits than its factorization.

499561888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1550 (or 1542 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 58.

The square root of 499561888 is about 22350.8811459414. The cubic root of 499561888 is about 793.4686384259.

The spelling of 499561888 in words is "four hundred ninety-nine million, five hundred sixty-one thousand, eight hundred eighty-eight".