511028232 has 128 divisors (see below), whose sum is σ = 1526152320. Its totient is φ = 140544000.

The previous prime is 511028213. The next prime is 511028233. The reversal of 511028232 is 232820115.

It is a super-2 number, since 2×511028232² = 522299707802091648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (511028233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 208132 + ... + 210572.

It is an arithmetic number, because the mean of its divisors is an integer number (11923065).

Almost surely, 2^511028232 is an apocalyptic number.

511028232 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 511028232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (763076160).

511028232 is an abundant number, since it is smaller than the sum of its proper divisors (1015124088).

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

511028232 is a wasteful number, since it uses less digits than its factorization.

511028232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2535 (or 2531 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 511028232 is about 22605.9335573650. The cubic root of 511028232 is about 799.4935502868.

Adding to 511028232 its reverse (232820115), we get a palindrome (743848347).

The spelling of 511028232 in words is "five hundred eleven million, twenty-eight thousand, two hundred thirty-two".