955220785728 has 224 divisors, whose sum is σ = 2934444931200. Its totient is φ = 271020195840.

The previous prime is 955220785721. The next prime is 955220785769. The reversal of 955220785728 is 827587022559.

955220785728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (60) 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 (955220785721) 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, 6860548 + ... + 6998396.

Almost surely, 2^955220785728 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 955220785728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1467222465600).

955220785728 is an abundant number, since it is smaller than the sum of its proper divisors (1979224145472).

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

955220785728 is a wasteful number, since it uses less digits than its factorization.

955220785728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138085 (or 138075 counting only the distinct ones).

The product of its (nonzero) digits is 28224000, while the sum is 60.

The spelling of 955220785728 in words is "nine hundred fifty-five billion, two hundred twenty million, seven hundred eighty-five thousand, seven hundred twenty-eight".