42241324402 has 4 divisors (see below), whose sum is σ = 63361986606. Its totient is φ = 21120662200.

The previous prime is 42241324393. The next prime is 42241324417. The reversal of 42241324402 is 20442314224.

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., 39648376161 + 2592948241 = 199119^2 + 50921^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10560331099 + ... + 10560331102.

Almost surely, 2^42241324402 is an apocalyptic number.

42241324402 is a deficient number, since it is larger than the sum of its proper divisors (21120662204).

42241324402 is a wasteful number, since it uses less digits than its factorization.

42241324402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21120662203.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 42241324402 its reverse (20442314224), we get a palindrome (62683638626).

The spelling of 42241324402 in words is "forty-two billion, two hundred forty-one million, three hundred twenty-four thousand, four hundred two".