485480778812952 has 512 divisors, whose sum is σ = 1381305448857600. Its totient is φ = 141211869566976.

The previous prime is 485480778812927. The next prime is 485480778812963. The reversal of 485480778812952 is 259218877084584.

It is a Harshad number since it is a multiple of its sum of digits (78).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 21305152903 + ... + 21305175689.

It is an arithmetic number, because the mean of its divisors is an integer number (2697862204800).

Almost surely, 2^{485480778812952} 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 485480778812952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (690652724428800).

485480778812952 is an abundant number, since it is smaller than the sum of its proper divisors (895824670044648).

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

485480778812952 is a wasteful number, since it uses less digits than its factorization.

485480778812952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23335 (or 23331 counting only the distinct ones).

The product of its (nonzero) digits is 2890137600, while the sum is 78.

The spelling of 485480778812952 in words is "four hundred eighty-five trillion, four hundred eighty billion, seven hundred seventy-eight million, eight hundred twelve thousand, nine hundred fifty-two".