505052780 has 12 divisors (see below), whose sum is σ = 1060610880. Its totient is φ = 202021104.

The previous prime is 505052773. The next prime is 505052783. The reversal of 505052780 is 87250505.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (505052783) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 12626300 + ... + 12626339.

It is an arithmetic number, because the mean of its divisors is an integer number (88384240).

Almost surely, 2^505052780 is an apocalyptic number.

It is an amenable number.

505052780 is an abundant number, since it is smaller than the sum of its proper divisors (555558100).

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

505052780 is a wasteful number, since it uses less digits than its factorization.

505052780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25252648 (or 25252646 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 32.

The square root of 505052780 is about 22473.3793631487. The cubic root of 505052780 is about 796.3651662417.

The spelling of 505052780 in words is "five hundred five million, fifty-two thousand, seven hundred eighty".