499649532 has 12 divisors (see below), whose sum is σ = 1165848936. Its totient is φ = 166549840.

The previous prime is 499649519. The next prime is 499649543. The reversal of 499649532 is 235946994.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20818719 + ... + 20818742.

It is an arithmetic number, because the mean of its divisors is an integer number (97154078).

Almost surely, 2^499649532 is an apocalyptic number.

It is an amenable number.

499649532 is an abundant number, since it is smaller than the sum of its proper divisors (666199404).

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

499649532 is a wasteful number, since it uses less digits than its factorization.

499649532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41637468 (or 41637466 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 51.

The square root of 499649532 is about 22352.8416985403. The cubic root of 499649532 is about 793.5150382150.

The spelling of 499649532 in words is "four hundred ninety-nine million, six hundred forty-nine thousand, five hundred thirty-two".