507265540 has 24 divisors (see below), whose sum is σ = 1065684312. Its totient is φ = 202824960.

The previous prime is 507265537. The next prime is 507265541. The reversal of 507265540 is 45562705.

It can be written as a sum of positive squares in 4 ways, for example, as 12292036 + 494973504 = 3506^2 + 22248^2 .

It is a junction number, because it is equal to n+sod(n) for n = 507265496 and 507265505.

It is not an unprimeable number, because it can be changed into a prime (507265541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85552 + ... + 91288.

It is an arithmetic number, because the mean of its divisors is an integer number (44403513).

Almost surely, 2^507265540 is an apocalyptic number.

It is an amenable number.

507265540 is an abundant number, since it is smaller than the sum of its proper divisors (558418772).

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

507265540 is a wasteful number, since it uses less digits than its factorization.

507265540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10167 (or 10165 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 34.

The square root of 507265540 is about 22522.5562492360. The cubic root of 507265540 is about 797.5264955181.

The spelling of 507265540 in words is "five hundred seven million, two hundred sixty-five thousand, five hundred forty".