400032041 has 2 divisors, whose sum is σ = 400032042. Its totient is φ = 400032040.

The previous prime is 400032037. The next prime is 400032067. The reversal of 400032041 is 140230004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 400000000 + 32041 = 20000^2 + 179^2 .

It is a cyclic number.

It is not a de Polignac number, because 400032041 - 2² = 400032037 is a prime.

It is not a weakly prime, because it can be changed into another prime (400031041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200016020 + 200016021.

It is an arithmetic number, because the mean of its divisors is an integer number (200016021).

Almost surely, 2^400032041 is an apocalyptic number.

It is an amenable number.

400032041 is a deficient number, since it is larger than the sum of its proper divisors (1).

400032041 is an equidigital number, since it uses as much as digits as its factorization.

400032041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 400032041 is about 20000.8010089596. The cubic root of 400032041 is about 736.8259725450.

Adding to 400032041 its reverse (140230004), we get a palindrome (540262045).

The spelling of 400032041 in words is "four hundred million, thirty-two thousand, forty-one".