610481003920 has 20 divisors (see below), whose sum is σ = 1419368334300. Its totient is φ = 244192401536.

The previous prime is 610481003897. The next prime is 610481003927. The reversal of 610481003920 is 29300184016.

It can be written as a sum of positive squares in 2 ways, for example, as 308473603216 + 302007400704 = 555404^2 + 549552^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×610481003920² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (610481003927) 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, 3815506195 + ... + 3815506354.

It is an arithmetic number, because the mean of its divisors is an integer number (70968416715).

Almost surely, 2^610481003920 is an apocalyptic number.

It is an amenable number.

610481003920 is an abundant number, since it is smaller than the sum of its proper divisors (808887330380).

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

610481003920 is a wasteful number, since it uses less digits than its factorization.

610481003920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7631012562 (or 7631012556 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

Adding to 610481003920 its reverse (29300184016), we get a palindrome (639781187936).

The spelling of 610481003920 in words is "six hundred ten billion, four hundred eighty-one million, three thousand, nine hundred twenty".