485387309000 has 128 divisors (see below), whose sum is σ = 1259375644800. Its totient is φ = 173610720000.

The previous prime is 485387308981. The next prime is 485387309009. The reversal of 485387309000 is 903783584.

It is a super-2 number, since 2×485387309000² (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (485387309009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 309311 + ... + 1032689.

It is an arithmetic number, because the mean of its divisors is an integer number (9838872225).

Almost surely, 2^485387309000 is an apocalyptic number.

485387309000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 485387309000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (629687822400).

485387309000 is an abundant number, since it is smaller than the sum of its proper divisors (773988335800).

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

485387309000 is a wasteful number, since it uses less digits than its factorization.

485387309000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723472 (or 723458 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 485387309000 in words is "four hundred eighty-five billion, three hundred eighty-seven million, three hundred nine thousand".