511486240 has 24 divisors (see below), whose sum is σ = 1208386620. Its totient is φ = 204594432.

The previous prime is 511486231. The next prime is 511486243. The reversal of 511486240 is 42684115.

511486240 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 489471376 + 22014864 = 22124^2 + 4692^2 .

It is not an unprimeable number, because it can be changed into a prime (511486243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1598235 + ... + 1598554.

Almost surely, 2^511486240 is an apocalyptic number.

It is an amenable number.

511486240 is an abundant number, since it is smaller than the sum of its proper divisors (696900380).

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

511486240 is a wasteful number, since it uses less digits than its factorization.

511486240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3196804 (or 3196796 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 511486240 is about 22616.0615492618. The cubic root of 511486240 is about 799.7323271157.

The spelling of 511486240 in words is "five hundred eleven million, four hundred eighty-six thousand, two hundred forty".