628782034944 has 416 divisors, whose sum is σ = 2006666565120. Its totient is φ = 171310841856.

The previous prime is 628782034901. The next prime is 628782035029. The reversal of 628782034944 is 449430287826.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 207038994 + ... + 207042030.

Almost surely, 2^628782034944 is an apocalyptic number.

628782034944 is a gapful number since it is divisible by the number (64) 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 628782034944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1003333282560).

628782034944 is an abundant number, since it is smaller than the sum of its proper divisors (1377884530176).

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

628782034944 is a wasteful number, since it uses less digits than its factorization.

628782034944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3183 (or 3161 counting only the distinct ones).

The product of its (nonzero) digits is 18579456, while the sum is 57.

The spelling of 628782034944 in words is "six hundred twenty-eight billion, seven hundred eighty-two million, thirty-four thousand, nine hundred forty-four".