641062630 has 32 divisors (see below), whose sum is σ = 1250071200. Its totient is φ = 236691936.

The previous prime is 641062589. The next prime is 641062649. The reversal of 641062630 is 36260146.

It is a super-2 number, since 2×641062630² = 821922591165033800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7381 + ... + 36559.

It is an arithmetic number, because the mean of its divisors is an integer number (39064725).

Almost surely, 2^641062630 is an apocalyptic number.

641062630 is a deficient number, since it is larger than the sum of its proper divisors (609008570).

641062630 is a wasteful number, since it uses less digits than its factorization.

641062630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29225 (or 29199 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 641062630 is about 25319.2146402688. The cubic root of 641062630 is about 862.2505637304.

The spelling of 641062630 in words is "six hundred forty-one million, sixty-two thousand, six hundred thirty".