402440214301 has 8 divisors (see below), whose sum is σ = 416324945880. Its totient is φ = 388555981632.

The previous prime is 402440214299. The next prime is 402440214349. The reversal of 402440214301 is 103412044204.

It can be written as a sum of positive squares in 4 ways, for example, as 185562792900 + 216877421401 = 430770^2 + 465701^2 .

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 402440214301 - 2¹ = 402440214299 is a prime.

It is a super-3 number, since 3×402440214301³ (a number of 36 digits) contains 333 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 (402440214901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2346591 + ... + 2512243.

It is an arithmetic number, because the mean of its divisors is an integer number (52040618235).

Almost surely, 2^402440214301 is an apocalyptic number.

It is an amenable number.

402440214301 is a deficient number, since it is larger than the sum of its proper divisors (13884731579).

402440214301 is a wasteful number, since it uses less digits than its factorization.

402440214301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249455.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 402440214301 its reverse (103412044204), we get a palindrome (505852258505).

The spelling of 402440214301 in words is "four hundred two billion, four hundred forty million, two hundred fourteen thousand, three hundred one".