511867464 has 32 divisors (see below), whose sum is σ = 1286176320. Its totient is φ = 169754816.

The previous prime is 511867463. The next prime is 511867511. The reversal of 511867464 is 464768115.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (511867463) 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, 49404 + ... + 58859.

It is an arithmetic number, because the mean of its divisors is an integer number (40193010).

Almost surely, 2^511867464 is an apocalyptic number.

It is an amenable number.

511867464 is an abundant number, since it is smaller than the sum of its proper divisors (774308856).

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

511867464 is a wasteful number, since it uses less digits than its factorization.

511867464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108469 (or 108465 counting only the distinct ones).

The product of its digits is 161280, while the sum is 42.

The square root of 511867464 is about 22624.4881489063. The cubic root of 511867464 is about 799.9309648762.

The spelling of 511867464 in words is "five hundred eleven million, eight hundred sixty-seven thousand, four hundred sixty-four".