499451472 has 60 divisors (see below), whose sum is σ = 1505296884. Its totient is φ = 153676800.

The previous prime is 499451453. The next prime is 499451501. The reversal of 499451472 is 274154994.

499451472 is a `hidden beast` number, since 49 + 94 + 51 + 472 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 66977856 + 432473616 = 8184^2 + 20796^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 131529 + ... + 135272.

Almost surely, 2^499451472 is an apocalyptic number.

It is an amenable number.

499451472 is an abundant number, since it is smaller than the sum of its proper divisors (1005845412).

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

499451472 is a wasteful number, since it uses less digits than its factorization.

499451472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266828 (or 266819 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 499451472 is about 22348.4109502219. The cubic root of 499451472 is about 793.4101751397.

The spelling of 499451472 in words is "four hundred ninety-nine million, four hundred fifty-one thousand, four hundred seventy-two".