855583484450 has 24 divisors (see below), whose sum is σ = 1591528448532. Its totient is φ = 342202605120.

The previous prime is 855583484363. The next prime is 855583484461. The reversal of 855583484450 is 54484385558.

It can be written as a sum of positive squares in 6 ways, for example, as 24257128009 + 831326356441 = 155747^2 + 911771^2 .

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 855583484450.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 204269 + ... + 1323968.

Almost surely, 2^855583484450 is an apocalyptic number.

855583484450 is a deficient number, since it is larger than the sum of its proper divisors (735944964082).

855583484450 is a wasteful number, since it uses less digits than its factorization.

855583484450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1539446 (or 1539441 counting only the distinct ones).

The product of its (nonzero) digits is 61440000, while the sum is 59.

The spelling of 855583484450 in words is "eight hundred fifty-five billion, five hundred eighty-three million, four hundred eighty-four thousand, four hundred fifty".