985228000040 has 32 divisors (see below), whose sum is σ = 2216992475880. Its totient is φ = 394050404352.

The previous prime is 985227999989. The next prime is 985228000079. The reversal of 985228000040 is 40000822589.

It can be written as a sum of positive squares in 4 ways, for example, as 561111857476 + 424116142564 = 749074^2 + 651242^2 .

It is a junction number, because it is equal to n+sod(n) for n = 985227999958 and 985228000003.

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, 882137 + ... + 1657896.

Almost surely, 2^985228000040 is an apocalyptic number.

It is an amenable number.

985228000040 is an abundant number, since it is smaller than the sum of its proper divisors (1231764475840).

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

985228000040 is a wasteful number, since it uses less digits than its factorization.

985228000040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2549741 (or 2549737 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 38.

The spelling of 985228000040 in words is "nine hundred eighty-five billion, two hundred twenty-eight million, forty", and thus it is an aban number.