401400341 has 4 divisors (see below), whose sum is σ = 401441292. Its totient is φ = 401359392.

The previous prime is 401400211. The next prime is 401400401. The reversal of 401400341 is 143004104.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 335952241 + 65448100 = 18329^2 + 8090^2 .

It is a cyclic number.

It is not a de Polignac number, because 401400341 - 2¹⁸ = 401138197 is a prime.

It is a super-2 number, since 2×401400341² = 322244467509832562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401400941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3905 + ... + 28601.

It is an arithmetic number, because the mean of its divisors is an integer number (100360323).

Almost surely, 2^401400341 is an apocalyptic number.

It is an amenable number.

401400341 is a deficient number, since it is larger than the sum of its proper divisors (40951).

401400341 is a wasteful number, since it uses less digits than its factorization.

401400341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40950.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 401400341 is about 20034.9779385953. The cubic root of 401400341 is about 737.6651150366.

Adding to 401400341 its reverse (143004104), we get a palindrome (544404445).

The spelling of 401400341 in words is "four hundred one million, four hundred thousand, three hundred forty-one".