511201050340 has 24 divisors (see below), whose sum is σ = 1136670571512. Its totient is φ = 192452160000.

The previous prime is 511201050281. The next prime is 511201050343. The reversal of 511201050340 is 43050102115.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 20761351744 + 490439698596 = 144088^2 + 700314^2 .

It is a super-2 number, since 2×511201050340² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (511201050343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 751765911 + ... + 751766590.

It is an arithmetic number, because the mean of its divisors is an integer number (47361273813).

Almost surely, 2^511201050340 is an apocalyptic number.

It is an amenable number.

511201050340 is an abundant number, since it is smaller than the sum of its proper divisors (625469521172).

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

511201050340 is a wasteful number, since it uses less digits than its factorization.

511201050340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1503532527 (or 1503532525 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 511201050340 its reverse (43050102115), we get a palindrome (554251152455).

The spelling of 511201050340 in words is "five hundred eleven billion, two hundred one million, fifty thousand, three hundred forty".