42240246 has 8 divisors (see below), whose sum is σ = 84480504. Its totient is φ = 14080080.

The previous prime is 42240221. The next prime is 42240271. The reversal of 42240246 is 64204224.

It is an interprime number because it is at equal distance from previous prime (42240221) and next prime (42240271).

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

42240246 is an admirable number.

It is a Curzon number.

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 3 ways as a sum of consecutive naturals, for example, 3520015 + ... + 3520026.

It is an arithmetic number, because the mean of its divisors is an integer number (10560063).

Almost surely, 2^42240246 is an apocalyptic number.

42240246 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42240246 is a wasteful number, since it uses less digits than its factorization.

42240246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7040046.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 42240246 is about 6499.2496489980. The cubic root of 42240246 is about 348.2641837254.

It can be divided in two parts, 42240 and 246, that added together give a triangular number (42486 = T₂₉₁).

The spelling of 42240246 in words is "forty-two million, two hundred forty thousand, two hundred forty-six".