400340324112 has 40 divisors (see below), whose sum is σ = 1035138526656. Its totient is φ = 133327287936.

The previous prime is 400340324101. The next prime is 400340324147. The reversal of 400340324112 is 211423043004.

It is a super-3 number, since 3×400340324112³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3679788 + ... + 3787019.

Almost surely, 2^400340324112 is an apocalyptic number.

It is an amenable number.

400340324112 is an abundant number, since it is smaller than the sum of its proper divisors (634798202544).

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

400340324112 is a wasteful number, since it uses less digits than its factorization.

400340324112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7467935 (or 7467929 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 400340324112 its reverse (211423043004), we get a palindrome (611763367116).

The spelling of 400340324112 in words is "four hundred billion, three hundred forty million, three hundred twenty-four thousand, one hundred twelve".