400755841 has 8 divisors (see below), whose sum is σ = 442779264. Its totient is φ = 360782400.

The previous prime is 400755827. The next prime is 400755851. The reversal of 400755841 is 148557004.

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 400755841 - 2¹³ = 400747649 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 400755797 and 400755806.

It is not an unprimeable number, because it can be changed into a prime (400755811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 512085 + ... + 512866.

It is an arithmetic number, because the mean of its divisors is an integer number (55347408).

Almost surely, 2^400755841 is an apocalyptic number.

It is an amenable number.

400755841 is a deficient number, since it is larger than the sum of its proper divisors (42023423).

400755841 is a wasteful number, since it uses less digits than its factorization.

400755841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024991.

The product of its (nonzero) digits is 22400, while the sum is 34.

The square root of 400755841 is about 20018.8871069298. The cubic root of 400755841 is about 737.2700980611.

The spelling of 400755841 in words is "four hundred million, seven hundred fifty-five thousand, eight hundred forty-one".