85369855240 has 16 divisors (see below), whose sum is σ = 192082174380. Its totient is φ = 34147942080.

The previous prime is 85369855211. The next prime is 85369855309. The reversal of 85369855240 is 4255896358.

It can be written as a sum of positive squares in 2 ways, for example, as 84859185636 + 510669604 = 291306^2 + 22598^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1067123151 + ... + 1067123230.

Almost surely, 2^85369855240 is an apocalyptic number.

It is an amenable number.

85369855240 is an abundant number, since it is smaller than the sum of its proper divisors (106712319140).

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

85369855240 is a wasteful number, since it uses less digits than its factorization.

85369855240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2134246392 (or 2134246388 counting only the distinct ones).

The product of its (nonzero) digits is 10368000, while the sum is 55.

The spelling of 85369855240 in words is "eighty-five billion, three hundred sixty-nine million, eight hundred fifty-five thousand, two hundred forty".