401400213 has 16 divisors (see below), whose sum is σ = 564710400. Its totient is φ = 252912240.

The previous prime is 401400211. The next prime is 401400401. The reversal of 401400213 is 312004104.

It is not a de Polignac number, because 401400213 - 2¹ = 401400211 is a prime.

It is a super-2 number, since 2×401400213² = 322244261992890738, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401400192 and 401400201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401400211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16398 + ... + 32736.

It is an arithmetic number, because the mean of its divisors is an integer number (35294400).

Almost surely, 2^401400213 is an apocalyptic number.

It is an amenable number.

401400213 is a deficient number, since it is larger than the sum of its proper divisors (163310187).

401400213 is a wasteful number, since it uses less digits than its factorization.

401400213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16792.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 401400213 is about 20034.9747441817. The cubic root of 401400213 is about 737.6650366268.

Adding to 401400213 its reverse (312004104), we get a palindrome (713404317).

The spelling of 401400213 in words is "four hundred one million, four hundred thousand, two hundred thirteen".