581202429952 has 48 divisors (see below), whose sum is σ = 1184048103420. Its totient is φ = 285118119936.

The previous prime is 581202429931. The next prime is 581202429953. The reversal of 581202429952 is 259924202185.

It can be written as a sum of positive squares in 2 ways, for example, as 555776214016 + 25426215936 = 745504^2 + 159456^2 .

It is a junction number, because it is equal to n+sod(n) for n = 581202429896 and 581202429905.

It is not an unprimeable number, because it can be changed into a prime (581202429953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2568723 + ... + 2785810.

Almost surely, 2^581202429952 is an apocalyptic number.

It is an amenable number.

581202429952 is an abundant number, since it is smaller than the sum of its proper divisors (602845673468).

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

581202429952 is an equidigital number, since it uses as much as digits as its factorization.

581202429952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5354608 (or 5354588 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 49.

The spelling of 581202429952 in words is "five hundred eighty-one billion, two hundred two million, four hundred twenty-nine thousand, nine hundred fifty-two".