735480220688 has 40 divisors (see below), whose sum is σ = 1487291354136. Its totient is φ = 352001561600.

The previous prime is 735480220649. The next prime is 735480220721. The reversal of 735480220688 is 886022084537.

It can be written as a sum of positive squares in 4 ways, for example, as 2388081424 + 733092139264 = 48868^2 + 856208^2 .

It is a Harshad number since it is a multiple of its sum of digits (53).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10542203 + ... + 10611738.

Almost surely, 2^735480220688 is an apocalyptic number.

It is an amenable number.

735480220688 is an abundant number, since it is smaller than the sum of its proper divisors (751811133448).

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

735480220688 is a wasteful number, since it uses less digits than its factorization.

735480220688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21154043 (or 21154037 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 53.

The spelling of 735480220688 in words is "seven hundred thirty-five billion, four hundred eighty million, two hundred twenty thousand, six hundred eighty-eight".