499906560 has 96 divisors (see below), whose sum is σ = 1599408720. Its totient is φ = 133300224.

The previous prime is 499906513. The next prime is 499906567. The reversal of 499906560 is 65609994.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499906567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22584 + ... + 38856.

Almost surely, 2^499906560 is an apocalyptic number.

499906560 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 499906560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (799704360).

499906560 is an abundant number, since it is smaller than the sum of its proper divisors (1099502160).

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

499906560 is a wasteful number, since it uses less digits than its factorization.

499906560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16303 (or 16283 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 48.

The square root of 499906560 is about 22358.5902954547. The cubic root of 499906560 is about 793.6510806524.

The spelling of 499906560 in words is "four hundred ninety-nine million, nine hundred six thousand, five hundred sixty".