42249296 has 10 divisors (see below), whose sum is σ = 81858042. Its totient is φ = 21124640.

The previous prime is 42249289. The next prime is 42249299. The reversal of 42249296 is 69294224.

It can be written as a sum of positive squares in only one way, i.e., 30250000 + 11999296 = 5500^2 + 3464^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42249299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1320275 + ... + 1320306.

Almost surely, 2^42249296 is an apocalyptic number.

It is an amenable number.

42249296 is a deficient number, since it is larger than the sum of its proper divisors (39608746).

42249296 is a wasteful number, since it uses less digits than its factorization.

42249296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2640589 (or 2640583 counting only the distinct ones).

The product of its digits is 62208, while the sum is 38.

The square root of 42249296 is about 6499.9458459283. The cubic root of 42249296 is about 348.2890538914.

The spelling of 42249296 in words is "forty-two million, two hundred forty-nine thousand, two hundred ninety-six".