400112441 has 2 divisors, whose sum is σ = 400112442. Its totient is φ = 400112440.

The previous prime is 400112429. The next prime is 400112501. The reversal of 400112441 is 144211004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 253605625 + 146506816 = 15925^2 + 12104^2 .

It is a cyclic number.

It is not a de Polignac number, because 400112441 - 2¹⁴ = 400096057 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (400112411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200056220 + 200056221.

It is an arithmetic number, because the mean of its divisors is an integer number (200056221).

Almost surely, 2^400112441 is an apocalyptic number.

It is an amenable number.

400112441 is a deficient number, since it is larger than the sum of its proper divisors (1).

400112441 is an equidigital number, since it uses as much as digits as its factorization.

400112441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 400112441 is about 20002.8108274812. The cubic root of 400112441 is about 736.8753326243.

Adding to 400112441 its reverse (144211004), we get a palindrome (544323445).

The spelling of 400112441 in words is "four hundred million, one hundred twelve thousand, four hundred forty-one".