42446013 has 8 divisors (see below), whose sum is σ = 57002400. Its totient is φ = 28093488.

The previous prime is 42446009. The next prime is 42446023. The reversal of 42446013 is 31064424.

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

It is not a de Polignac number, because 42446013 - 2² = 42446009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42446003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50478 + ... + 51311.

It is an arithmetic number, because the mean of its divisors is an integer number (7125300).

Almost surely, 2^42446013 is an apocalyptic number.

It is an amenable number.

42446013 is a deficient number, since it is larger than the sum of its proper divisors (14556387).

42446013 is a wasteful number, since it uses less digits than its factorization.

42446013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101931.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 42446013 is about 6515.0604755443. The cubic root of 42446013 is about 348.8287734598.

The spelling of 42446013 in words is "forty-two million, four hundred forty-six thousand, thirteen".