610539648 has 128 divisors (see below), whose sum is σ = 1672228800. Its totient is φ = 197283840.

The previous prime is 610539619. The next prime is 610539703. The reversal of 610539648 is 846935016.

610539648 is nontrivially palindromic in base 15.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2665998 + ... + 2666226.

Almost surely, 2^610539648 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 610539648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (836114400).

610539648 is an abundant number, since it is smaller than the sum of its proper divisors (1061689152).

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

610539648 is a wasteful number, since it uses less digits than its factorization.

610539648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430 (or 418 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 610539648 is about 24709.1005097312. The cubic root of 610539648 is about 848.3426288400.

It can be divided in two parts, 6105 and 39648, that added together give a triangular number (45753 = T₃₀₂).

The spelling of 610539648 in words is "six hundred ten million, five hundred thirty-nine thousand, six hundred forty-eight".