400041332 has 12 divisors (see below), whose sum is σ = 700617120. Its totient is φ = 199865016.

The previous prime is 400041269. The next prime is 400041353. The reversal of 400041332 is 233140004.

It is a self number, because there is not a number n which added to its sum of digits gives 400041332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33032 + ... + 43487.

It is an arithmetic number, because the mean of its divisors is an integer number (58384760).

Almost surely, 2^400041332 is an apocalyptic number.

It is an amenable number.

400041332 is a deficient number, since it is larger than the sum of its proper divisors (300575788).

400041332 is a wasteful number, since it uses less digits than its factorization.

400041332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77830 (or 77828 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 400041332 is about 20001.0332733087. The cubic root of 400041332 is about 736.8316769190.

Adding to 400041332 its reverse (233140004), we get a palindrome (633181336).

The spelling of 400041332 in words is "four hundred million, forty-one thousand, three hundred thirty-two".