42509630 has 8 divisors (see below), whose sum is σ = 76517352. Its totient is φ = 17003848.

The previous prime is 42509627. The next prime is 42509641. The reversal of 42509630 is 3690524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 42509593 and 42509602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2125472 + ... + 2125491.

It is an arithmetic number, because the mean of its divisors is an integer number (9564669).

Almost surely, 2^42509630 is an apocalyptic number.

42509630 is a deficient number, since it is larger than the sum of its proper divisors (34007722).

42509630 is a wasteful number, since it uses less digits than its factorization.

42509630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4250970.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 42509630 is about 6519.9409506529. The cubic root of 42509630 is about 349.0029583524.

The spelling of 42509630 in words is "forty-two million, five hundred nine thousand, six hundred thirty".