628384039312 has 10 divisors (see below), whose sum is σ = 1217494076198. Its totient is φ = 314192019648.

The previous prime is 628384039259. The next prime is 628384039313. The reversal of 628384039312 is 213930483826.

It can be written as a sum of positive squares in only one way, i.e., 444963707136 + 183420332176 = 667056^2 + 428276^2 .

It is a super-2 number, since 2×628384039312² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (628384039313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19637001213 + ... + 19637001244.

Almost surely, 2^628384039312 is an apocalyptic number.

It is an amenable number.

628384039312 is a deficient number, since it is larger than the sum of its proper divisors (589110036886).

628384039312 is a wasteful number, since it uses less digits than its factorization.

628384039312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39274002465 (or 39274002459 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 49.

The spelling of 628384039312 in words is "six hundred twenty-eight billion, three hundred eighty-four million, thirty-nine thousand, three hundred twelve".