610864452 has 144 divisors (see below), whose sum is σ = 1796401152. Its totient is φ = 173173440.

The previous prime is 610864447. The next prime is 610864477. The reversal of 610864452 is 254468016.

610864452 is a `hidden beast` number, since 6 + 1 + 0 + 8 + 644 + 5 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 47 ways as a sum of consecutive naturals, for example, 427363 + ... + 428789.

It is an arithmetic number, because the mean of its divisors is an integer number (12475008).

Almost surely, 2^610864452 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 610864452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (898200576).

610864452 is an abundant number, since it is smaller than the sum of its proper divisors (1185536700).

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

610864452 is a wasteful number, since it uses less digits than its factorization.

610864452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1518 (or 1513 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 610864452 is about 24715.6721939744. The cubic root of 610864452 is about 848.4930401642.

The spelling of 610864452 in words is "six hundred ten million, eight hundred sixty-four thousand, four hundred fifty-two".