42308626 has 8 divisors (see below), whose sum is σ = 63517500. Its totient is φ = 21136128.

The previous prime is 42308621. The next prime is 42308639. The reversal of 42308626 is 62680324.

It can be written as a sum of positive squares in 2 ways, for example, as 41667025 + 641601 = 6455^2 + 801^2 .

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

It is not an unprimeable number, because it can be changed into a prime (42308621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5971 + ... + 10966.

Almost surely, 2^42308626 is an apocalyptic number.

42308626 is a deficient number, since it is larger than the sum of its proper divisors (21208874).

42308626 is a wasteful number, since it uses less digits than its factorization.

42308626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18188.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 42308626 is about 6504.5081289825. The cubic root of 42308626 is about 348.4520098565.

The spelling of 42308626 in words is "forty-two million, three hundred eight thousand, six hundred twenty-six".