400262226242 has 8 divisors (see below), whose sum is σ = 600600594636. Its totient is φ = 200062028032.

The previous prime is 400262226241. The next prime is 400262226341. The reversal of 400262226242 is 242622262004.

It can be written as a sum of positive squares in 2 ways, for example, as 351377458441 + 48884767801 = 592771^2 + 221099^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 400262226199 and 400262226208.

It is not an unprimeable number, because it can be changed into a prime (400262226241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34535303 + ... + 34546890.

Almost surely, 2^400262226242 is an apocalyptic number.

400262226242 is a deficient number, since it is larger than the sum of its proper divisors (200338368394).

400262226242 is a wasteful number, since it uses less digits than its factorization.

400262226242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69085092.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 400262226242 its reverse (242622262004), we get a palindrome (642884488246).

The spelling of 400262226242 in words is "four hundred billion, two hundred sixty-two million, two hundred twenty-six thousand, two hundred forty-two".