628400245482 has 40 divisors (see below), whose sum is σ = 1408454640516. Its totient is φ = 209411319168.

The previous prime is 628400245481. The next prime is 628400245511. The reversal of 628400245482 is 284542004826.

628400245482 is a `hidden beast` number, since 6 + 2 + 84 + 0 + 0 + 24 + 548 + 2 = 666.

628400245482 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 484486994601 + 143913250881 = 696051^2 + 379359^2 .

It is a super-2 number, since 2×628400245482² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (628400245481) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 103128 + ... + 1125804.

Almost surely, 2^628400245482 is an apocalyptic number.

628400245482 is an abundant number, since it is smaller than the sum of its proper divisors (780054395034).

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

628400245482 is a wasteful number, since it uses less digits than its factorization.

628400245482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026484 (or 1026475 counting only the distinct ones).

The product of its (nonzero) digits is 983040, while the sum is 45.

The spelling of 628400245482 in words is "six hundred twenty-eight billion, four hundred million, two hundred forty-five thousand, four hundred eighty-two".