400042422244 has 12 divisors (see below), whose sum is σ = 700080551100. Its totient is φ = 200019407648.

The previous prime is 400042422217. The next prime is 400042422313. The reversal of 400042422244 is 442224240004.

It can be written as a sum of positive squares in 2 ways, for example, as 323624454400 + 76417967844 = 568880^2 + 276438^2 .

It is a super-3 number, since 3×400042422244³ (a number of 36 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131922 + ... + 904150.

It is an arithmetic number, because the mean of its divisors is an integer number (58340045925).

Almost surely, 2^400042422244 is an apocalyptic number.

It is an amenable number.

400042422244 is a deficient number, since it is larger than the sum of its proper divisors (300038128856).

400042422244 is a wasteful number, since it uses less digits than its factorization.

400042422244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901742 (or 901740 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 400042422244 its reverse (442224240004), we get a palindrome (842266662248).

The spelling of 400042422244 in words is "four hundred billion, forty-two million, four hundred twenty-two thousand, two hundred forty-four".