400232011 has 8 divisors (see below), whose sum is σ = 402634800. Its totient is φ = 397836288.

The previous prime is 400232009. The next prime is 400232047. The reversal of 400232011 is 110232004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 400232011 - 2¹ = 400232009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 400231982 and 400232000.

It is not an unprimeable number, because it can be changed into a prime (400232051) by changing a digit.

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, 146940 + ... + 149638.

It is an arithmetic number, because the mean of its divisors is an integer number (50329350).

Almost surely, 2^400232011 is an apocalyptic number.

400232011 is a deficient number, since it is larger than the sum of its proper divisors (2402789).

400232011 is a wasteful number, since it uses less digits than its factorization.

400232011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3533.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 400232011 is about 20005.7994341641. The cubic root of 400232011 is about 736.9487281662.

Adding to 400232011 its reverse (110232004), we get a palindrome (510464015).

The spelling of 400232011 in words is "four hundred million, two hundred thirty-two thousand, eleven".