400211432 has 16 divisors (see below), whose sum is σ = 750608640. Its totient is φ = 200049136.

The previous prime is 400211429. The next prime is 400211437. The reversal of 400211432 is 234112004.

It is a self number, because there is not a number n which added to its sum of digits gives 400211432.

It is not an unprimeable number, because it can be changed into a prime (400211437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52793 + ... + 59895.

It is an arithmetic number, because the mean of its divisors is an integer number (46913040).

Almost surely, 2^400211432 is an apocalyptic number.

It is an amenable number.

400211432 is a deficient number, since it is larger than the sum of its proper divisors (350397208).

400211432 is a wasteful number, since it uses less digits than its factorization.

400211432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14152 (or 14148 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 400211432 is about 20005.2851016925. The cubic root of 400211432 is about 736.9360972193.

Adding to 400211432 its reverse (234112004), we get a palindrome (634323436).

The spelling of 400211432 in words is "four hundred million, two hundred eleven thousand, four hundred thirty-two".