400342011124203 has 32 divisors (see below), whose sum is σ = 594086791219200. Its totient is φ = 266450359896000.

The previous prime is 400342011124201. The next prime is 400342011124243. The reversal of 400342011124203 is 302421110243004.

400342011124203 is a `hidden beast` number, since 4 + 0 + 0 + 3 + 420 + 1 + 11 + 24 + 203 = 666.

It is not a de Polignac number, because 400342011124203 - 2¹ = 400342011124201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (400342011124201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 213203278 + ... + 215072828.

It is an arithmetic number, because the mean of its divisors is an integer number (18565212225600).

Almost surely, 2^{400342011124203} is an apocalyptic number.

400342011124203 is a deficient number, since it is larger than the sum of its proper divisors (193744780094997).

400342011124203 is a wasteful number, since it uses less digits than its factorization.

400342011124203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1882760 (or 1882754 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 400342011124203 its reverse (302421110243004), we get a palindrome (702763121367207).

The spelling of 400342011124203 in words is "four hundred trillion, three hundred forty-two billion, eleven million, one hundred twenty-four thousand, two hundred three".