401332345444 has 48 divisors (see below), whose sum is σ = 713543040000. Its totient is φ = 197485516800.

The previous prime is 401332345417. The next prime is 401332345451. The reversal of 401332345444 is 444543233104.

It is a super-2 number, since 2×401332345444² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 192854484 + ... + 192856564.

It is an arithmetic number, because the mean of its divisors is an integer number (14865480000).

Almost surely, 2^401332345444 is an apocalyptic number.

It is an amenable number.

401332345444 is a deficient number, since it is larger than the sum of its proper divisors (312210694556).

401332345444 is a wasteful number, since it uses less digits than its factorization.

401332345444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4444 (or 4442 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 37.

Adding to 401332345444 its reverse (444543233104), we get a palindrome (845875578548).

The spelling of 401332345444 in words is "four hundred one billion, three hundred thirty-two million, three hundred forty-five thousand, four hundred forty-four".