400543053241121 has 24 divisors (see below), whose sum is σ = 470217165264000. Its totient is φ = 340169490700704.

The previous prime is 400543053241049. The next prime is 400543053241157. The reversal of 400543053241121 is 121142350345004.

It is not a de Polignac number, because 400543053241121 - 2³⁰ = 400541979499297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (400543053241421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 641029670 + ... + 641654208.

It is an arithmetic number, because the mean of its divisors is an integer number (19592381886000).

Almost surely, 2^{400543053241121} is an apocalyptic number.

It is an amenable number.

400543053241121 is a deficient number, since it is larger than the sum of its proper divisors (69674112022879).

400543053241121 is a wasteful number, since it uses less digits than its factorization.

400543053241121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744741 (or 744734 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 400543053241121 in words is "four hundred trillion, five hundred forty-three billion, fifty-three million, two hundred forty-one thousand, one hundred twenty-one".