610216040 has 128 divisors (see below), whose sum is σ = 1623628800. Its totient is φ = 202076160.

The previous prime is 610216021. The next prime is 610216063. The reversal of 610216040 is 40612016.

It is a happy number.

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 31 ways as a sum of consecutive naturals, for example, 1170980 + ... + 1171500.

It is an arithmetic number, because the mean of its divisors is an integer number (12684600).

Almost surely, 2^610216040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 610216040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (811814400).

610216040 is an abundant number, since it is smaller than the sum of its proper divisors (1013412760).

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

610216040 is a wasteful number, since it uses less digits than its factorization.

610216040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675 (or 671 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 610216040 is about 24702.5512852418. The cubic root of 610216040 is about 848.1927183031.

Adding to 610216040 its reverse (40612016), we get a palindrome (650828056).

The spelling of 610216040 in words is "six hundred ten million, two hundred sixteen thousand, forty".