402212401441 has 8 divisors (see below), whose sum is σ = 405443793920. Its totient is φ = 398982014928.

The previous prime is 402212401439. The next prime is 402212401447. The reversal of 402212401441 is 144104212204.

It is a happy number.

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 402212401441 - 2¹ = 402212401439 is a prime.

It is a super-2 number, since 2×402212401441² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402212401447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 561895 + ... + 1058371.

It is an arithmetic number, because the mean of its divisors is an integer number (50680474240).

Almost surely, 2^402212401441 is an apocalyptic number.

It is an amenable number.

402212401441 is a deficient number, since it is larger than the sum of its proper divisors (3231392479).

402212401441 is a wasteful number, since it uses less digits than its factorization.

402212401441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502983.

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 402212401441 its reverse (144104212204), we get a palindrome (546316613645).

The spelling of 402212401441 in words is "four hundred two billion, two hundred twelve million, four hundred one thousand, four hundred forty-one".