610630140 has 48 divisors (see below), whose sum is σ = 1810341792. Its totient is φ = 153255936.

The previous prime is 610630133. The next prime is 610630193. The reversal of 610630140 is 41036016.

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 15 ways as a sum of consecutive naturals, for example, 298309 + ... + 300348.

It is an arithmetic number, because the mean of its divisors is an integer number (37715454).

Almost surely, 2^610630140 is an apocalyptic number.

610630140 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

610630140 is an abundant number, since it is smaller than the sum of its proper divisors (1199711652).

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

610630140 is a wasteful number, since it uses less digits than its factorization.

610630140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598686 (or 598684 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 610630140 is about 24710.9315890761. The cubic root of 610630140 is about 848.3845395382.

Adding to 610630140 its reverse (41036016), we get a palindrome (651666156).

The spelling of 610630140 in words is "six hundred ten million, six hundred thirty thousand, one hundred forty".