611240140230 has 64 divisors (see below), whose sum is σ = 1518487879680. Its totient is φ = 157343243904.

The previous prime is 611240140229. The next prime is 611240140271. The reversal of 611240140230 is 32041042116.

It is a super-2 number, since 2×611240140230² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 611240140230.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2027010 + ... + 2308949.

It is an arithmetic number, because the mean of its divisors is an integer number (23726373120).

Almost surely, 2^611240140230 is an apocalyptic number.

611240140230 is an abundant number, since it is smaller than the sum of its proper divisors (907247739450).

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

611240140230 is a wasteful number, since it uses less digits than its factorization.

611240140230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4336133.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 611240140230 its reverse (32041042116), we get a palindrome (643281182346).

The spelling of 611240140230 in words is "six hundred eleven billion, two hundred forty million, one hundred forty thousand, two hundred thirty".