499561560 has 64 divisors (see below), whose sum is σ = 1665208800. Its totient is φ = 133216128.

The previous prime is 499561529. The next prime is 499561591. The reversal of 499561560 is 65165994.

It is a happy number.

499561560 is a `hidden beast` number, since 499 + 5 + 6 + 156 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (499561529) and next prime (499561591).

It is a super-3 number, since 3×499561560³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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, 230199 + ... + 232358.

Almost surely, 2^499561560 is an apocalyptic number.

499561560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

499561560 is an abundant number, since it is smaller than the sum of its proper divisors (1165647240).

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

499561560 is a wasteful number, since it uses less digits than its factorization.

499561560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462577 (or 462567 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 45.

The square root of 499561560 is about 22350.8738084219. The cubic root of 499561560 is about 793.4684647685.

The spelling of 499561560 in words is "four hundred ninety-nine million, five hundred sixty-one thousand, five hundred sixty".