630140615 has 32 divisors (see below), whose sum is σ = 871274880. Its totient is φ = 433373184.

The previous prime is 630140611. The next prime is 630140629. The reversal of 630140615 is 516041036.

It is a cyclic number.

It is not a de Polignac number, because 630140615 - 2² = 630140611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630140611) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 104246 + ... + 110124.

It is an arithmetic number, because the mean of its divisors is an integer number (27227340).

Almost surely, 2^630140615 is an apocalyptic number.

630140615 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

630140615 is a deficient number, since it is larger than the sum of its proper divisors (241134265).

630140615 is a wasteful number, since it uses less digits than its factorization.

630140615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6011.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 630140615 is about 25102.6017575868. The cubic root of 630140615 is about 857.3256633176.

The spelling of 630140615 in words is "six hundred thirty million, one hundred forty thousand, six hundred fifteen".