401334055242 has 16 divisors (see below), whose sum is σ = 814648232352. Its totient is φ = 131781331440.

The previous prime is 401334055231. The next prime is 401334055259. The reversal of 401334055242 is 242550433104.

It is a super-2 number, since 2×401334055242² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 499171309 + ... + 499172112.

It is an arithmetic number, because the mean of its divisors is an integer number (50915514522).

Almost surely, 2^401334055242 is an apocalyptic number.

401334055242 is an abundant number, since it is smaller than the sum of its proper divisors (413314177110).

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

401334055242 is a wasteful number, since it uses less digits than its factorization.

401334055242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998343493.

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 401334055242 its reverse (242550433104), we get a palindrome (643884488346).

The spelling of 401334055242 in words is "four hundred one billion, three hundred thirty-four million, fifty-five thousand, two hundred forty-two".