400344301121 has 8 divisors (see below), whose sum is σ = 402590260800. Its totient is φ = 398104487440.

The previous prime is 400344301117. The next prime is 400344301153. The reversal of 400344301121 is 121103443004.

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

It is a cyclic number.

It is not a de Polignac number, because 400344301121 - 2² = 400344301117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400344301171) 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 7 ways as a sum of consecutive naturals, for example, 1405826 + ... + 1666443.

It is an arithmetic number, because the mean of its divisors is an integer number (50323782600).

Almost surely, 2^400344301121 is an apocalyptic number.

It is an amenable number.

400344301121 is a deficient number, since it is larger than the sum of its proper divisors (2245959679).

400344301121 is a wasteful number, since it uses less digits than its factorization.

400344301121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3072999.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 400344301121 its reverse (121103443004), we get a palindrome (521447744125).

The spelling of 400344301121 in words is "four hundred billion, three hundred forty-four million, three hundred one thousand, one hundred twenty-one".