985442244590 has 16 divisors (see below), whose sum is σ = 1798094617488. Its totient is φ = 388777214016.

The previous prime is 985442244557. The next prime is 985442244649. The reversal of 985442244590 is 95442244589.

It is a congruent number.

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, 674959712 + ... + 674961171.

It is an arithmetic number, because the mean of its divisors is an integer number (112380913593).

Almost surely, 2^985442244590 is an apocalyptic number.

985442244590 is a deficient number, since it is larger than the sum of its proper divisors (812652372898).

985442244590 is a wasteful number, since it uses less digits than its factorization.

985442244590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349920963.

The product of its (nonzero) digits is 16588800, while the sum is 56.

The spelling of 985442244590 in words is "nine hundred eighty-five billion, four hundred forty-two million, two hundred forty-four thousand, five hundred ninety".