402122140441 has 32 divisors (see below), whose sum is σ = 480546950400. Its totient is φ = 329389182720.

The previous prime is 402122140423. The next prime is 402122140451. The reversal of 402122140441 is 144041221204.

It is a happy number.

It is not a de Polignac number, because 402122140441 - 2¹⁷ = 402122009369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402122140411) 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 31 ways as a sum of consecutive naturals, for example, 2301631 + ... + 2470171.

It is an arithmetic number, because the mean of its divisors is an integer number (15017092200).

Almost surely, 2^402122140441 is an apocalyptic number.

It is an amenable number.

402122140441 is a deficient number, since it is larger than the sum of its proper divisors (78424809959).

402122140441 is a wasteful number, since it uses less digits than its factorization.

402122140441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168769.

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

Adding to 402122140441 its reverse (144041221204), we get a palindrome (546163361645).

The spelling of 402122140441 in words is "four hundred two billion, one hundred twenty-two million, one hundred forty thousand, four hundred forty-one".