401113443340 has 24 divisors (see below), whose sum is σ = 886671822960. Its totient is φ = 152000883648.

The previous prime is 401113443329. The next prime is 401113443347. The reversal of 401113443340 is 43344311104.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 401113443299 and 401113443308.

It is not an unprimeable number, because it can be changed into a prime (401113443347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 527780467 + ... + 527781226.

It is an arithmetic number, because the mean of its divisors is an integer number (36944659290).

Almost surely, 2^401113443340 is an apocalyptic number.

It is an amenable number.

401113443340 is an abundant number, since it is smaller than the sum of its proper divisors (485558379620).

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

401113443340 is a wasteful number, since it uses less digits than its factorization.

401113443340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055561721 (or 1055561719 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 401113443340 its reverse (43344311104), we get a palindrome (444457754444).

The spelling of 401113443340 in words is "four hundred one billion, one hundred thirteen million, four hundred forty-three thousand, three hundred forty".