630142086 has 32 divisors (see below), whose sum is σ = 1502949888. Its totient is φ = 172212480.

The previous prime is 630142039. The next prime is 630142103. The reversal of 630142086 is 680241036.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325195 + ... + 327126.

It is an arithmetic number, because the mean of its divisors is an integer number (46967184).

Almost surely, 2^630142086 is an apocalyptic number.

630142086 is an abundant number, since it is smaller than the sum of its proper divisors (872807802).

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

630142086 is a wasteful number, since it uses less digits than its factorization.

630142086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652356.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 630142086 is about 25102.6310573215. The cubic root of 630142086 is about 857.3263304307.

The spelling of 630142086 in words is "six hundred thirty million, one hundred forty-two thousand, eighty-six".