505418372 has 18 divisors (see below), whose sum is σ = 909043002. Its totient is φ = 245876544.

The previous prime is 505418371. The next prime is 505418461. The reversal of 505418372 is 273814505.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 162205696 + 343212676 = 12736^2 + 18526^2 .

It is not an unprimeable number, because it can be changed into a prime (505418371) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40673 + ... + 51624.

It is an arithmetic number, because the mean of its divisors is an integer number (50502389).

Almost surely, 2^505418372 is an apocalyptic number.

It is an amenable number.

505418372 is a deficient number, since it is larger than the sum of its proper divisors (403624630).

505418372 is a wasteful number, since it uses less digits than its factorization.

505418372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92375 (or 92336 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 505418372 is about 22481.5117819065. The cubic root of 505418372 is about 796.5572745542.

The spelling of 505418372 in words is "five hundred five million, four hundred eighteen thousand, three hundred seventy-two".