400443041 has 8 divisors (see below), whose sum is σ = 442433664. Its totient is φ = 360500800.

The previous prime is 400442983. The next prime is 400443061. The reversal of 400443041 is 140344004.

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 400443041 - 2¹⁴ = 400426657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400443061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 511685 + ... + 512466.

It is an arithmetic number, because the mean of its divisors is an integer number (55304208).

Almost surely, 2^400443041 is an apocalyptic number.

It is an amenable number.

400443041 is a deficient number, since it is larger than the sum of its proper divisors (41990623).

400443041 is a wasteful number, since it uses less digits than its factorization.

400443041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024191.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 400443041 is about 20011.0729597391. The cubic root of 400443041 is about 737.0782288562.

Adding to 400443041 its reverse (140344004), we get a palindrome (540787045).

The spelling of 400443041 in words is "four hundred million, four hundred forty-three thousand, forty-one".