630863932140 has 192 divisors, whose sum is σ = 2129095221120. Its totient is φ = 154155847680.

The previous prime is 630863932073. The next prime is 630863932147. The reversal of 630863932140 is 41239368036.

630863932140 is a `hidden beast` number, since 6 + 3 + 0 + 8 + 639 + 3 + 2 + 1 + 4 + 0 = 666.

It is a super-4 number, since 4×630863932140⁴ (a number of 48 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (630863932147) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 633760 + ... + 1289720.

It is an arithmetic number, because the mean of its divisors is an integer number (11089037610).

Almost surely, 2^630863932140 is an apocalyptic number.

630863932140 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 630863932140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1064547610560).

630863932140 is an abundant number, since it is smaller than the sum of its proper divisors (1498231288980).

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

630863932140 is a wasteful number, since it uses less digits than its factorization.

630863932140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656129 (or 656121 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 45.

The spelling of 630863932140 in words is "six hundred thirty billion, eight hundred sixty-three million, nine hundred thirty-two thousand, one hundred forty".