400368112124 has 12 divisors (see below), whose sum is σ = 700715679048. Its totient is φ = 200163632400.

The previous prime is 400368112103. The next prime is 400368112127. The reversal of 400368112124 is 421211863004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400368112127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5061767 + ... + 5140254.

It is an arithmetic number, because the mean of its divisors is an integer number (58392973254).

Almost surely, 2^400368112124 is an apocalyptic number.

It is an amenable number.

400368112124 is a deficient number, since it is larger than the sum of its proper divisors (300347566924).

400368112124 is a wasteful number, since it uses less digits than its factorization.

400368112124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10211836 (or 10211834 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

Adding to 400368112124 its reverse (421211863004), we get a palindrome (821579975128).

The spelling of 400368112124 in words is "four hundred billion, three hundred sixty-eight million, one hundred twelve thousand, one hundred twenty-four".