42615630 has 24 divisors (see below), whose sum is σ = 110800872. Its totient is φ = 11364144.

The previous prime is 42615611. The next prime is 42615653. The reversal of 42615630 is 3651624.

42615630 is a `hidden beast` number, since 4 + 26 + 1 + 5 + 630 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 42615594 and 42615603.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 236664 + ... + 236843.

It is an arithmetic number, because the mean of its divisors is an integer number (4616703).

Almost surely, 2^42615630 is an apocalyptic number.

42615630 is an abundant number, since it is smaller than the sum of its proper divisors (68185242).

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

42615630 is a wasteful number, since it uses less digits than its factorization.

42615630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473520 (or 473517 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 42615630 is about 6528.0647974725. The cubic root of 42615630 is about 349.2928033202.

The spelling of 42615630 in words is "forty-two million, six hundred fifteen thousand, six hundred thirty".