561735817480 has 16 divisors (see below), whose sum is σ = 1263905589420. Its totient is φ = 224694326976.

The previous prime is 561735817463. The next prime is 561735817483. The reversal of 561735817480 is 84718537165.

It can be written as a sum of positive squares in 2 ways, for example, as 486118517284 + 75617300196 = 697222^2 + 274986^2 .

It is not an unprimeable number, because it can be changed into a prime (561735817483) 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, 7021697679 + ... + 7021697758.

Almost surely, 2^561735817480 is an apocalyptic number.

It is an amenable number.

561735817480 is an abundant number, since it is smaller than the sum of its proper divisors (702169771940).

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

561735817480 is a wasteful number, since it uses less digits than its factorization.

561735817480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14043395448 (or 14043395444 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 55.

The spelling of 561735817480 in words is "five hundred sixty-one billion, seven hundred thirty-five million, eight hundred seventeen thousand, four hundred eighty".