42246049 has 8 divisors (see below), whose sum is σ = 42964992. Its totient is φ = 41531040.

The previous prime is 42246023. The next prime is 42246053. The reversal of 42246049 is 94064224.

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

It is a cyclic number.

It is not a de Polignac number, because 42246049 - 2¹¹ = 42244001 is a prime.

It is a super-2 number, since 2×42246049² = 3569457312220802, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42246049.

It is not an unprimeable number, because it can be changed into a prime (42246079) 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, 27204 + ... + 28714.

It is an arithmetic number, because the mean of its divisors is an integer number (5370624).

Almost surely, 2^42246049 is an apocalyptic number.

It is an amenable number.

42246049 is a deficient number, since it is larger than the sum of its proper divisors (718943).

42246049 is a wasteful number, since it uses less digits than its factorization.

42246049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1967.

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

The square root of 42246049 is about 6499.6960698174. The cubic root of 42246049 is about 348.2801312691.

The spelling of 42246049 in words is "forty-two million, two hundred forty-six thousand, forty-nine".