401242122304430 has 64 divisors (see below), whose sum is σ = 822166739716608. Its totient is φ = 139559613029760.

The previous prime is 401242122304393. The next prime is 401242122304579. The reversal of 401242122304430 is 34403221242104.

It is a happy number.

It is a super-2 number, since 2×401242122304430² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123574109 + ... + 126779511.

It is an arithmetic number, because the mean of its divisors is an integer number (12846355308072).

Almost surely, 2^{401242122304430} is an apocalyptic number.

401242122304430 is an abundant number, since it is smaller than the sum of its proper divisors (420924617412178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401242122304430 is a wasteful number, since it uses less digits than its factorization.

401242122304430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3254921.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 401242122304430 its reverse (34403221242104), we get a palindrome (435645343546534).

The spelling of 401242122304430 in words is "four hundred one trillion, two hundred forty-two billion, one hundred twenty-two million, three hundred four thousand, four hundred thirty".