401414011421 has 4 divisors (see below), whose sum is σ = 401420080572. Its totient is φ = 401407942272.

The previous prime is 401414011391. The next prime is 401414011423. The reversal of 401414011421 is 124110414104.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 42936398521 + 358477612900 = 207211^2 + 598730^2 .

It is a cyclic number.

It is not a de Polignac number, because 401414011421 - 2²² = 401409817117 is a prime.

It is a super-2 number, since 2×401414011421² (a number of 24 digits) 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 (401414011423) 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, 2934260 + ... + 3068013.

It is an arithmetic number, because the mean of its divisors is an integer number (100355020143).

Almost surely, 2^401414011421 is an apocalyptic number.

It is an amenable number.

401414011421 is a deficient number, since it is larger than the sum of its proper divisors (6069151).

401414011421 is an equidigital number, since it uses as much as digits as its factorization.

401414011421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6069150.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 401414011421 its reverse (124110414104), we get a palindrome (525524425525).

The spelling of 401414011421 in words is "four hundred one billion, four hundred fourteen million, eleven thousand, four hundred twenty-one".