401214432421 has 8 divisors (see below), whose sum is σ = 441029606688. Its totient is φ = 361956114000.

The previous prime is 401214432413. The next prime is 401214432427. The reversal of 401214432421 is 124234412104.

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 401214432421 - 2³ = 401214432413 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 401214432421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401214432427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139212450 + ... + 139215331.

It is an arithmetic number, because the mean of its divisors is an integer number (55128700836).

Almost surely, 2^401214432421 is an apocalyptic number.

It is an amenable number.

401214432421 is a deficient number, since it is larger than the sum of its proper divisors (39815174267).

401214432421 is a wasteful number, since it uses less digits than its factorization.

401214432421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278427923.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 401214432421 its reverse (124234412104), we get a palindrome (525448844525).

The spelling of 401214432421 in words is "four hundred one billion, two hundred fourteen million, four hundred thirty-two thousand, four hundred twenty-one".