42630459 has 16 divisors (see below), whose sum is σ = 57936384. Its totient is φ = 27876800.

The previous prime is 42630451. The next prime is 42630463. The reversal of 42630459 is 95403624.

It is a cyclic number.

It is not a de Polignac number, because 42630459 - 2³ = 42630451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42630451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55639 + ... + 56399.

It is an arithmetic number, because the mean of its divisors is an integer number (3621024).

Almost surely, 2^42630459 is an apocalyptic number.

42630459 is a deficient number, since it is larger than the sum of its proper divisors (15305925).

42630459 is a wasteful number, since it uses less digits than its factorization.

42630459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 42630459 is about 6529.2004870428. The cubic root of 42630459 is about 349.3333132013. Note that the first 4 decimals are identical.

The spelling of 42630459 in words is "forty-two million, six hundred thirty thousand, four hundred fifty-nine".