400040440422243 has 8 divisors (see below), whose sum is σ = 533387628672000. Its totient is φ = 266693439560328.

The previous prime is 400040440422209. The next prime is 400040440422251. The reversal of 400040440422243 is 342224044040004.

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

It is not a de Polignac number, because 400040440422243 - 2⁶ = 400040440422179 is a prime.

It is a super-3 number, since 3×400040440422243³ (a number of 45 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (400040440422263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41787643 + ... + 50460756.

It is an arithmetic number, because the mean of its divisors is an integer number (66673453584000).

Almost surely, 2^{400040440422243} is an apocalyptic number.

400040440422243 is a deficient number, since it is larger than the sum of its proper divisors (133347188249757).

400040440422243 is a wasteful number, since it uses less digits than its factorization.

400040440422243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93693921.

The product of its (nonzero) digits is 98304, while the sum is 33.

Adding to 400040440422243 its reverse (342224044040004), we get a palindrome (742264484462247).

The spelling of 400040440422243 in words is "four hundred trillion, forty billion, four hundred forty million, four hundred twenty-two thousand, two hundred forty-three".