505752070816 has 24 divisors (see below), whose sum is σ = 1001200502484. Its totient is φ = 251478927360.

The previous prime is 505752070783. The next prime is 505752070829. The reversal of 505752070816 is 618070257505.

It can be written as a sum of positive squares in 2 ways, for example, as 502879539600 + 2872531216 = 709140^2 + 53596^2 .

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, 43653745 + ... + 43665328.

Almost surely, 2^505752070816 is an apocalyptic number.

It is an amenable number.

505752070816 is a deficient number, since it is larger than the sum of its proper divisors (495448431668).

505752070816 is a wasteful number, since it uses less digits than its factorization.

505752070816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87319264 (or 87319256 counting only the distinct ones).

The product of its (nonzero) digits is 588000, while the sum is 46.

The spelling of 505752070816 in words is "five hundred five billion, seven hundred fifty-two million, seventy thousand, eight hundred sixteen".