501491360 has 24 divisors (see below), whose sum is σ = 1184773716. Its totient is φ = 200596480.

The previous prime is 501491359. The next prime is 501491369. The reversal of 501491360 is 63194105.

It can be written as a sum of positive squares in 2 ways, for example, as 450967696 + 50523664 = 21236^2 + 7108^2 .

It is not an unprimeable number, because it can be changed into a prime (501491369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1567001 + ... + 1567320.

Almost surely, 2^501491360 is an apocalyptic number.

It is an amenable number.

501491360 is an abundant number, since it is smaller than the sum of its proper divisors (683282356).

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

501491360 is a wasteful number, since it uses less digits than its factorization.

501491360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3134336 (or 3134328 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 501491360 is about 22394.0027685986. The cubic root of 501491360 is about 794.4888715092.

The spelling of 501491360 in words is "five hundred one million, four hundred ninety-one thousand, three hundred sixty".