610491280 has 160 divisors (see below), whose sum is σ = 1722389760. Its totient is φ = 196577280.

The previous prime is 610491269. The next prime is 610491281. The reversal of 610491280 is 82194016.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (610491281) by changing a digit.

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, 1925682 + ... + 1925998.

It is an arithmetic number, because the mean of its divisors is an integer number (10764936).

Almost surely, 2^610491280 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 610491280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (861194880).

610491280 is an abundant number, since it is smaller than the sum of its proper divisors (1111898480).

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

610491280 is a wasteful number, since it uses less digits than its factorization.

610491280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537 (or 531 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 610491280 is about 24708.1217416460. The cubic root of 610491280 is about 848.3202258615.

The spelling of 610491280 in words is "six hundred ten million, four hundred ninety-one thousand, two hundred eighty".