499696560 has 160 divisors (see below), whose sum is σ = 1877736960. Its totient is φ = 121132800.

The previous prime is 499696559. The next prime is 499696601. The reversal of 499696560 is 65696994.

It is a happy number.

499696560 is a `hidden beast` number, since 499 + 6 + 96 + 5 + 60 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 499696497 and 499696506.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13245 + ... + 34275.

It is an arithmetic number, because the mean of its divisors is an integer number (11735856).

Almost surely, 2^499696560 is an apocalyptic number.

499696560 is a gapful number since it is divisible by the number (40) 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 499696560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (938868480).

499696560 is an abundant number, since it is smaller than the sum of its proper divisors (1378040400).

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

499696560 is a wasteful number, since it uses less digits than its factorization.

499696560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21064 (or 21052 counting only the distinct ones).

The product of its (nonzero) digits is 3149280, while the sum is 54.

The square root of 499696560 is about 22353.8936205754. The cubic root of 499696560 is about 793.5399331678.

The spelling of 499696560 in words is "four hundred ninety-nine million, six hundred ninety-six thousand, five hundred sixty".