610503140 has 24 divisors (see below), whose sum is σ = 1380676920. Its totient is φ = 225416448.

The previous prime is 610503139. The next prime is 610503169. The reversal of 610503140 is 41305016.

It can be written as a sum of positive squares in 4 ways, for example, as 39866596 + 570636544 = 6314^2 + 23888^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

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 7 ways as a sum of consecutive naturals, for example, 1173785 + ... + 1174304.

It is an arithmetic number, because the mean of its divisors is an integer number (57528205).

Almost surely, 2^610503140 is an apocalyptic number.

It is an amenable number.

610503140 is an abundant number, since it is smaller than the sum of its proper divisors (770173780).

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

610503140 is a wasteful number, since it uses less digits than its factorization.

610503140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2348111 (or 2348109 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 610503140 is about 24708.3617425357. The cubic root of 610503140 is about 848.3257192584.

Adding to 610503140 its reverse (41305016), we get a palindrome (651808156).

The spelling of 610503140 in words is "six hundred ten million, five hundred three thousand, one hundred forty".