630413640044 has 6 divisors (see below), whose sum is σ = 1103223870084. Its totient is φ = 315206820020.

The previous prime is 630413640041. The next prime is 630413640079. The reversal of 630413640044 is 440046314036.

It is a junction number, because it is equal to n+sod(n) for n = 630413639986 and 630413640013.

It is not an unprimeable number, because it can be changed into a prime (630413640041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78801705002 + ... + 78801705009.

It is an arithmetic number, because the mean of its divisors is an integer number (183870645014).

Almost surely, 2^630413640044 is an apocalyptic number.

It is an amenable number.

630413640044 is a deficient number, since it is larger than the sum of its proper divisors (472810230040).

630413640044 is a wasteful number, since it uses less digits than its factorization.

630413640044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157603410015 (or 157603410013 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 35.

The spelling of 630413640044 in words is "six hundred thirty billion, four hundred thirteen million, six hundred forty thousand, forty-four".