42249802 has 16 divisors (see below), whose sum is σ = 72800640. Its totient is φ = 18013968.

The previous prime is 42249797. The next prime is 42249847. The reversal of 42249802 is 20894224.

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 7 ways as a sum of consecutive naturals, for example, 4902 + ... + 10417.

It is an arithmetic number, because the mean of its divisors is an integer number (4550040).

Almost surely, 2^42249802 is an apocalyptic number.

42249802 is a deficient number, since it is larger than the sum of its proper divisors (30550838).

42249802 is a wasteful number, since it uses less digits than its factorization.

42249802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15525.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 42249802 is about 6499.9847692129. The cubic root of 42249802 is about 348.2904443174.

The spelling of 42249802 in words is "forty-two million, two hundred forty-nine thousand, eight hundred two".