485975825658 has 64 divisors (see below), whose sum is σ = 1144063440000. Its totient is φ = 152384216832.

The previous prime is 485975825633. The next prime is 485975825663. The reversal of 485975825658 is 856528579584.

It is a happy number.

485975825658 is a `hidden beast` number, since 4 + 8 + 5 + 9 + 7 + 58 + 2 + 565 + 8 = 666.

It is a super-2 number, since 2×485975825658² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1653373 + ... + 1924991.

It is an arithmetic number, because the mean of its divisors is an integer number (17875991250).

Almost surely, 2^485975825658 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 485975825658, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (572031720000).

485975825658 is an abundant number, since it is smaller than the sum of its proper divisors (658087614342).

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

485975825658 is a wasteful number, since it uses less digits than its factorization.

485975825658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273596 (or 273590 counting only the distinct ones).

The product of its digits is 967680000, while the sum is 72.

The spelling of 485975825658 in words is "four hundred eighty-five billion, nine hundred seventy-five million, eight hundred twenty-five thousand, six hundred fifty-eight".