507489840722 has 18 divisors (see below), whose sum is σ = 763932683973. Its totient is φ = 252848782912.

The previous prime is 507489840701. The next prime is 507489840733. The reversal of 507489840722 is 227048984705.

It can be written as a sum of positive squares in 2 ways, for example, as 502991589961 + 4498250761 = 709219^2 + 67069^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=503731.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 355633373 + ... + 355634799.

Almost surely, 2^507489840722 is an apocalyptic number.

507489840722 is a deficient number, since it is larger than the sum of its proper divisors (256442843251).

507489840722 is an frugal number, since it uses more digits than its factorization.

507489840722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3562 (or 1782 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 56.

The spelling of 507489840722 in words is "five hundred seven billion, four hundred eighty-nine million, eight hundred forty thousand, seven hundred twenty-two".