511481260 has 24 divisors (see below), whose sum is σ = 1096966080. Its totient is φ = 200239104.

The previous prime is 511481239. The next prime is 511481263. The reversal of 511481260 is 62184115.

It is a super-2 number, since 2×511481260² = 523226158662375200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (511481263) 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 7 ways as a sum of consecutive naturals, for example, 271125 + ... + 273004.

It is an arithmetic number, because the mean of its divisors is an integer number (45706920).

Almost surely, 2^511481260 is an apocalyptic number.

It is an amenable number.

511481260 is an abundant number, since it is smaller than the sum of its proper divisors (585484820).

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

511481260 is a wasteful number, since it uses less digits than its factorization.

511481260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544185 (or 544183 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 511481260 is about 22615.9514502486. The cubic root of 511481260 is about 799.7297316207.

The spelling of 511481260 in words is "five hundred eleven million, four hundred eighty-one thousand, two hundred sixty".