402122124441 has 12 divisors (see below), whose sum is σ = 611413756720. Its totient is φ = 253971867960.

The previous prime is 402122124419. The next prime is 402122124457. The reversal of 402122124441 is 144421221204.

402122124441 is a `hidden beast` number, since 4 + 0 + 2 + 1 + 2 + 212 + 4 + 441 = 666.

It is not a de Polignac number, because 402122124441 - 2⁹ = 402122123929 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (402122124491) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1175795515 + ... + 1175795856.

Almost surely, 2^402122124441 is an apocalyptic number.

It is an amenable number.

402122124441 is a deficient number, since it is larger than the sum of its proper divisors (209291632279).

402122124441 is a wasteful number, since it uses less digits than its factorization.

402122124441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2351591396 (or 2351591393 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

Adding to 402122124441 its reverse (144421221204), we get a palindrome (546543345645).

The spelling of 402122124441 in words is "four hundred two billion, one hundred twenty-two million, one hundred twenty-four thousand, four hundred forty-one".