485240361781428 has 384 divisors, whose sum is σ = 1392034547904000. Its totient is φ = 146757707712000.

The previous prime is 485240361781403. The next prime is 485240361781429. The reversal of 485240361781428 is 824187163042584.

485240361781428 is a `hidden beast` number, since 4 + 8 + 5 + 2 + 4 + 0 + 3 + 617 + 8 + 1 + 4 + 2 + 8 = 666.

It is a super-2 number, since 2×485240361781428² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485240361781429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 146997987378 + ... + 146997990678.

It is an arithmetic number, because the mean of its divisors is an integer number (3625089968500).

Almost surely, 2^{485240361781428} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 485240361781428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (696017273952000).

485240361781428 is an abundant number, since it is smaller than the sum of its proper divisors (906794186122572).

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

485240361781428 is a wasteful number, since it uses less digits than its factorization.

485240361781428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5835 (or 5815 counting only the distinct ones).

The product of its (nonzero) digits is 82575360, while the sum is 63.

The spelling of 485240361781428 in words is "four hundred eighty-five trillion, two hundred forty billion, three hundred sixty-one million, seven hundred eighty-one thousand, four hundred twenty-eight".