499424580 has 36 divisors (see below), whose sum is σ = 1514921772. Its totient is φ = 133179840.

The previous prime is 499424561. The next prime is 499424587. The reversal of 499424580 is 85424994.

499424580 is a `hidden beast` number, since 49 + 9 + 4 + 24 + 580 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 299428416 + 199996164 = 17304^2 + 14142^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×499424580² = 498849822216352800, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (499424587) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1387111 + ... + 1387470.

Almost surely, 2^499424580 is an apocalyptic number.

It is an amenable number.

499424580 is an abundant number, since it is smaller than the sum of its proper divisors (1015497192).

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

499424580 is a wasteful number, since it uses less digits than its factorization.

499424580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2774596 (or 2774591 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 499424580 is about 22347.8092886081. The cubic root of 499424580 is about 793.3959350046.

The spelling of 499424580 in words is "four hundred ninety-nine million, four hundred twenty-four thousand, five hundred eighty".