485420823888 has 320 divisors, whose sum is σ = 1684802832384. Its totient is φ = 116308224000.

The previous prime is 485420823851. The next prime is 485420823911. The reversal of 485420823888 is 888328024584.

It is a super-2 number, since 2×485420823888² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 113919678 + ... + 113923938.

Almost surely, 2^485420823888 is an apocalyptic number.

485420823888 is a gapful number since it is divisible by the number (48) 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 485420823888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (842401416192).

485420823888 is an abundant number, since it is smaller than the sum of its proper divisors (1199382008496).

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

485420823888 is a wasteful number, since it uses less digits than its factorization.

485420823888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6674 (or 6668 counting only the distinct ones).

The product of its (nonzero) digits is 31457280, while the sum is 60.

The spelling of 485420823888 in words is "four hundred eighty-five billion, four hundred twenty million, eight hundred twenty-three thousand, eight hundred eighty-eight".