505457970 has 16 divisors (see below), whose sum is σ = 1213099200. Its totient is φ = 134788784.

The previous prime is 505457951. The next prime is 505457971. The reversal of 505457970 is 79754505.

It is not an unprimeable number, because it can be changed into a prime (505457971) 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 7 ways as a sum of consecutive naturals, for example, 8424270 + ... + 8424329.

It is an arithmetic number, because the mean of its divisors is an integer number (75818700).

Almost surely, 2^505457970 is an apocalyptic number.

505457970 is an abundant number, since it is smaller than the sum of its proper divisors (707641230).

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

505457970 is a wasteful number, since it uses less digits than its factorization.

505457970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16848609.

The product of its (nonzero) digits is 220500, while the sum is 42.

The square root of 505457970 is about 22482.3924438659. The cubic root of 505457970 is about 796.5780766283.

The spelling of 505457970 in words is "five hundred five million, four hundred fifty-seven thousand, nine hundred seventy".