630003626540 has 12 divisors (see below), whose sum is σ = 1323007615776. Its totient is φ = 252001450608.

The previous prime is 630003626491. The next prime is 630003626543. The reversal of 630003626540 is 45626300036.

It is a self number, because there is not a number n which added to its sum of digits gives 630003626540.

It is not an unprimeable number, because it can be changed into a prime (630003626543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15750090644 + ... + 15750090683.

It is an arithmetic number, because the mean of its divisors is an integer number (110250634648).

Almost surely, 2^630003626540 is an apocalyptic number.

It is an amenable number.

630003626540 is an abundant number, since it is smaller than the sum of its proper divisors (693003989236).

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

630003626540 is a wasteful number, since it uses less digits than its factorization.

630003626540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31500181336 (or 31500181334 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 35.

Adding to 630003626540 its reverse (45626300036), we get a palindrome (675629926576).

The spelling of 630003626540 in words is "six hundred thirty billion, three million, six hundred twenty-six thousand, five hundred forty".