610651140 has 96 divisors (see below), whose sum is σ = 1882911744. Its totient is φ = 146636160.

The previous prime is 610651117. The next prime is 610651157. The reversal of 610651140 is 41156016.

It is a self number, because there is not a number n which added to its sum of digits gives 610651140.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66297 + ... + 74943.

It is an arithmetic number, because the mean of its divisors is an integer number (19613664).

Almost surely, 2^610651140 is an apocalyptic number.

610651140 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 610651140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (941455872).

610651140 is an abundant number, since it is smaller than the sum of its proper divisors (1272260604).

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

610651140 is a wasteful number, since it uses less digits than its factorization.

610651140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8777 (or 8775 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 610651140 is about 24711.3564985818. The cubic root of 610651140 is about 848.3942649404.

It can be divided in two parts, 61065 and 1140, that multiplied together give a triangular number (69614100 = T₁₁₇₉₉).

The spelling of 610651140 in words is "six hundred ten million, six hundred fifty-one thousand, one hundred forty".