42544298 has 4 divisors (see below), whose sum is σ = 63816450. Its totient is φ = 21272148.

The previous prime is 42544291. The next prime is 42544303. The reversal of 42544298 is 89244524.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 37540129 + 5004169 = 6127^2 + 2237^2 .

It is not an unprimeable number, because it can be changed into a prime (42544291) by changing a digit.

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 as a sum of consecutive naturals, namely, 10636073 + ... + 10636076.

Almost surely, 2^42544298 is an apocalyptic number.

42544298 is a deficient number, since it is larger than the sum of its proper divisors (21272152).

42544298 is a wasteful number, since it uses less digits than its factorization.

42544298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21272151.

The product of its digits is 92160, while the sum is 38.

The square root of 42544298 is about 6522.5990218624. The cubic root of 42544298 is about 349.0978070329.

The spelling of 42544298 in words is "forty-two million, five hundred forty-four thousand, two hundred ninety-eight".