42211304642 has 16 divisors (see below), whose sum is σ = 68271812280. Its totient is φ = 19458049152.

The previous prime is 42211304593. The next prime is 42211304651. The reversal of 42211304642 is 24640311224.

It can be written as a sum of positive squares in 4 ways, for example, as 41574802201 + 636502441 = 203899^2 + 25229^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 982373 + ... + 1024440.

Almost surely, 2^42211304642 is an apocalyptic number.

42211304642 is a deficient number, since it is larger than the sum of its proper divisors (26060507638).

42211304642 is a wasteful number, since it uses less digits than its factorization.

42211304642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2007637.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 42211304642 its reverse (24640311224), we get a palindrome (66851615866).

The spelling of 42211304642 in words is "forty-two billion, two hundred eleven million, three hundred four thousand, six hundred forty-two".