401155041 has 32 divisors (see below), whose sum is σ = 634411008. Its totient is φ = 220711680.

The previous prime is 401155033. The next prime is 401155061. The reversal of 401155041 is 140551104.

It is not a de Polignac number, because 401155041 - 2³ = 401155033 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 401154999 and 401155017.

It is not an unprimeable number, because it can be changed into a prime (401155061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60985 + ... + 67241.

It is an arithmetic number, because the mean of its divisors is an integer number (19825344).

Almost surely, 2^401155041 is an apocalyptic number.

It is an amenable number.

401155041 is a deficient number, since it is larger than the sum of its proper divisors (233255967).

401155041 is a wasteful number, since it uses less digits than its factorization.

401155041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6381.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 401155041 is about 20028.8552094222. The cubic root of 401155041 is about 737.5148194283.

The spelling of 401155041 in words is "four hundred one million, one hundred fifty-five thousand, forty-one".