630188950 has 24 divisors (see below), whose sum is σ = 1182915360. Its totient is φ = 249760800.

The previous prime is 630188899. The next prime is 630188953. The reversal of 630188950 is 59881036.

It is a happy number.

It is a super-2 number, since 2×630188950² = 794276225404205000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630188953) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52366 + ... + 63265.

It is an arithmetic number, because the mean of its divisors is an integer number (49288140).

Almost surely, 2^630188950 is an apocalyptic number.

630188950 is a deficient number, since it is larger than the sum of its proper divisors (552726410).

630188950 is a wasteful number, since it uses less digits than its factorization.

630188950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115752 (or 115747 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 630188950 is about 25103.5644879368. The cubic root of 630188950 is about 857.3475831746.

The spelling of 630188950 in words is "six hundred thirty million, one hundred eighty-eight thousand, nine hundred fifty".