511026240 has 112 divisors (see below), whose sum is σ = 1666475712. Its totient is φ = 132581376.

The previous prime is 511026193. The next prime is 511026251. The reversal of 511026240 is 42620115.

It is a super-2 number, since 2×511026240² = 522295635937075200, which contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 28327 + ... + 42713.

Almost surely, 2^511026240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 511026240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (833237856).

511026240 is an abundant number, since it is smaller than the sum of its proper divisors (1155449472).

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

511026240 is a wasteful number, since it uses less digits than its factorization.

511026240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14444 (or 14434 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 511026240 is about 22605.8894980932. The cubic root of 511026240 is about 799.4925114706.

Adding to 511026240 its reverse (42620115), we get a palindrome (553646355).

The spelling of 511026240 in words is "five hundred eleven million, twenty-six thousand, two hundred forty".