511033201240 has 64 divisors (see below), whose sum is σ = 1151884087200. Its totient is φ = 204047511552.

The previous prime is 511033201229. The next prime is 511033201241. The reversal of 511033201240 is 42102330115.

It is a happy number.

It is a super-2 number, since 2×511033201240² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (511033201241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62907819 + ... + 62915941.

Almost surely, 2^511033201240 is an apocalyptic number.

It is an amenable number.

511033201240 is an abundant number, since it is smaller than the sum of its proper divisors (640850885960).

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

511033201240 is a wasteful number, since it uses less digits than its factorization.

511033201240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10756 (or 10752 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 511033201240 its reverse (42102330115), we get a palindrome (553135531355).

The spelling of 511033201240 in words is "five hundred eleven billion, thirty-three million, two hundred one thousand, two hundred forty".