42246630 has 64 divisors (see below), whose sum is σ = 117573120. Its totient is φ = 10774368.

The previous prime is 42246623. The next prime is 42246641. The reversal of 42246630 is 3664224.

42246630 is a `hidden beast` number, since 4 + 2 + 24 + 6 + 630 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 42246594 and 42246603.

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 31 ways as a sum of consecutive naturals, for example, 2809 + ... + 9611.

It is an arithmetic number, because the mean of its divisors is an integer number (1837080).

Almost surely, 2^42246630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42246630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58786560).

42246630 is an abundant number, since it is smaller than the sum of its proper divisors (75326490).

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

42246630 is a wasteful number, since it uses less digits than its factorization.

42246630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6842 (or 6836 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 42246630 is about 6499.7407640613. The cubic root of 42246630 is about 348.2817278668.

The spelling of 42246630 in words is "forty-two million, two hundred forty-six thousand, six hundred thirty".