400233332 has 12 divisors (see below), whose sum is σ = 702489060. Its totient is φ = 199522176.

The previous prime is 400233331. The next prime is 400233367. The reversal of 400233332 is 233332004.

It can be written as a sum of positive squares in 2 ways, for example, as 176252176 + 223981156 = 13276^2 + 14966^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400233331) 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 3 ways as a sum of consecutive naturals, for example, 147107 + ... + 149802.

It is an arithmetic number, because the mean of its divisors is an integer number (58540755).

Almost surely, 2^400233332 is an apocalyptic number.

It is an amenable number.

400233332 is a deficient number, since it is larger than the sum of its proper divisors (302255728).

400233332 is a wasteful number, since it uses less digits than its factorization.

400233332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297250 (or 297248 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 20.

The square root of 400233332 is about 20005.8324495633. The cubic root of 400233332 is about 736.9495389527.

Adding to 400233332 its reverse (233332004), we get a palindrome (633565336).

The spelling of 400233332 in words is "four hundred million, two hundred thirty-three thousand, three hundred thirty-two".