400230111132 has 36 divisors (see below), whose sum is σ = 1011717435456. Its totient is φ = 133406785920.

The previous prime is 400230111119. The next prime is 400230111137. The reversal of 400230111132 is 231111032004.

400230111132 is a `hidden beast` number, since 400 + 23 + 0 + 111 + 132 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400230111137) 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 11 ways as a sum of consecutive naturals, for example, 1704757 + ... + 1925267.

It is an arithmetic number, because the mean of its divisors is an integer number (28103262096).

Almost surely, 2^400230111132 is an apocalyptic number.

It is an amenable number.

400230111132 is an abundant number, since it is smaller than the sum of its proper divisors (611487324324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

400230111132 is a wasteful number, since it uses less digits than its factorization.

400230111132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270938 (or 270933 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 400230111132 its reverse (231111032004), we get a palindrome (631341143136).

The spelling of 400230111132 in words is "four hundred billion, two hundred thirty million, one hundred eleven thousand, one hundred thirty-two".