985356565480 has 64 divisors (see below), whose sum is σ = 2533861572480. Its totient is φ = 337824864000.

The previous prime is 985356565477. The next prime is 985356565489. The reversal of 985356565480 is 84565653589.

It is a super-2 number, since 2×985356565480² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (985356565489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13260430 + ... + 13334530.

It is an arithmetic number, because the mean of its divisors is an integer number (39591587070).

Almost surely, 2^985356565480 is an apocalyptic number.

It is an amenable number.

985356565480 is an abundant number, since it is smaller than the sum of its proper divisors (1548505007000).

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

985356565480 is a wasteful number, since it uses less digits than its factorization.

985356565480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121610 (or 121606 counting only the distinct ones).

The product of its (nonzero) digits is 155520000, while the sum is 64.

The spelling of 985356565480 in words is "nine hundred eighty-five billion, three hundred fifty-six million, five hundred sixty-five thousand, four hundred eighty".