630426416 has 40 divisors (see below), whose sum is σ = 1287727104. Its totient is φ = 298543680.

The previous prime is 630426367. The next prime is 630426431. The reversal of 630426416 is 614624036.

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 7 ways as a sum of consecutive naturals, for example, 9791 + ... + 36833.

Almost surely, 2^630426416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 630426416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (643863552).

630426416 is an abundant number, since it is smaller than the sum of its proper divisors (657300688).

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

630426416 is a wasteful number, since it uses less digits than its factorization.

630426416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27129 (or 27123 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 630426416 is about 25108.2937691911. The cubic root of 630426416 is about 857.4552574070.

The spelling of 630426416 in words is "six hundred thirty million, four hundred twenty-six thousand, four hundred sixteen".