401144233412 has 24 divisors (see below), whose sum is σ = 757656911256. Its totient is φ = 184738353408.

The previous prime is 401144233381. The next prime is 401144233463. The reversal of 401144233412 is 214332441104.

It can be written as a sum of positive squares in 4 ways, for example, as 78413440576 + 322730792836 = 280024^2 + 568094^2 .

It is a super-2 number, since 2×401144233412² (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, 8416403 + ... + 8463930.

It is an arithmetic number, because the mean of its divisors is an integer number (31569037969).

Almost surely, 2^401144233412 is an apocalyptic number.

It is an amenable number.

401144233412 is a deficient number, since it is larger than the sum of its proper divisors (356512677844).

401144233412 is a wasteful number, since it uses less digits than its factorization.

401144233412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16880807 (or 16880805 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 401144233412 its reverse (214332441104), we get a palindrome (615476674516).

The spelling of 401144233412 in words is "four hundred one billion, one hundred forty-four million, two hundred thirty-three thousand, four hundred twelve".